Scientists observed ice as a component of comets. This observation reinforced which model of the history of the solar system?

A. Most planets in the solar system originally had water oceans.

B. Comets delivered some of the water found in Earth’s oceans.

C. Solar system planetary cores are generally a mix of iron and water.

D. Most of the water in the solar system migrated to comets over time.

Answers

Answer 1

Answer:

B. Comets delivered some of the water found in Earth’s oceans.

Explanation:

Comets are icy bodies of water, frozen gases, dust, and rocky particles. When comets enter the inner solar system, the Sun's heat causes the ice to vaporize, resulting in a glowing coma and a tail. This finding suggests that during the early stages of the solar system's history, comets delivered water to Earth and other planets via impacts. The "cometary impact model," as it is known, proposes that water on Earth originated from the impacts of comets rich in volatile substances like water.


Related Questions

I need help this is urgent!!!!
Explain how an adaptation can enable an organism to survive a long-term environmental change. Describe an example to support your answer.

Answers

Answer:

seahorse

Some creatures, such as this leafy sea dragon fish (Phycodurus eques) have evolved adaptations that allow them to blend in with their environment (in this case, seaweed) to avoid the attention of hungry predators.

Explanation:

In which areas would you expect landslides to be most common?

Answers

Landslides are a common natural disaster around the world and occur in various forms and intensities. A landslide is a geological occurrence that happens when rocks, soil, and debris move down a slope in response to the force of gravity. Landslides occur frequently in mountainous areas, steep river valleys, and coastal cliffs.

Rainfall and human activities such as deforestation, mining, and construction can also trigger landslides. Landslides usually occur in areas with a combination of slope, terrain, geology, hydrology, and human activities that can weaken or destabilize the ground. In terms of geological features, landslides can occur in areas with steep slopes, weak or poorly consolidated rocks and soils, and areas with an existing network of cracks and fissures.

Landslides are more common in mountainous regions, especially areas with steep slopes or rock formations that are susceptible to crumbling or weathering. The Pacific Northwest of the United States is particularly prone to landslides, as are many other parts of the world. Furthermore, the tectonic activity in such regions increases the likelihood of landslides.

Coastal regions are also vulnerable to landslides, particularly those with steep cliffs, coastal bluffs, and sand dunes. In these areas, the combination of wave erosion, wind, and rainfall can weaken the ground and trigger landslides. Finally, human activities that alter the landscape, such as mining, logging, construction, and road building, can increase the risk of landslides by destabilizing slopes and reducing the strength of the soil.

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Most steppes and woodlands in Central Asia are located in the __________ climate region. A. humid continental B. highland C. subarctic D. arid

Answers

Answer:

A. humid continental climate region

True or False: India lacks variation in the amount of rainfall throughout the country.

Answers

Answer:true

Explanation:

If the thermal speed is more than about ____________ of the escape speed, most of the gas will leak to space within a billion years.

Answers

If the thermal speed is more than about 6% of the escape speed, most of the gas will leak to space within a billion years.

It is known as thermal escape. This is when an atom in a gas in a planet's atmosphere has enough kinetic energy to break free of the gravitational pull of the planet. This escaping atom then travels into space, while another atom takes its place. The rate of this process is known as the escape rate. This effect is most evident in the case of Mercury.

The high temperatures on the planet caused the atoms in the atmosphere to move very quickly. This high-speed motion meant that most of the gas molecules had a velocity greater than the escape velocity of the planet, and they were lost to space. As a result, Mercury's atmosphere is now very thin, and it is made up primarily of atoms that have been ejected from the planet's surface due to other processes.

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what is the thickness of the lava fill in ancient toroweap canyon

Answers

Answer:

The thickness of the lava fill in ancient Toroweap Canyon is estimated to be between 600-650 feet (183-198 meters).

Explanation:

The specific thickness of the lava fill in ancient Toroweap Canyon can vary and may not have a universally documented value.

Lava fill deposits in canyons can exhibit considerable variation in thickness due to factors such as the volume of lava erupted, the duration of volcanic activity, subsequent erosion, and geological processes over time.

Toroweap Canyon, located in the western Grand Canyon region of Arizona, is known for its impressive geological features, including lava flows. While lava flows have been identified in the area, obtaining precise measurements of their thickness in ancient times can be challenging.

To obtain accurate information on the thickness of the lava fill in ancient Toroweap Canyon, it would require conducting detailed field studies, geological surveys, and potentially employing geophysical techniques, such as ground-penetrating radar or seismic methods, to estimate the subsurface structure. Such investigations would provide valuable data to determine the thickness of the lava fill and enhance our understanding of the geological history of the area.

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How did Northern European geography and technology affect each other in the course of Europe's history?

Northern European geography and technology influenced each other mainly by being in close contact, and also the fact that very often most of the region was under a single ruler
1.Acid Rain - cities now protect buildings and statues with acid-resistant coatings and Paris has banned older vehicles
2.) Power plants now burn natural gas instead of coal because it burns cleaner
3.) Air pollution - some countries are developing alternative fuel sources such as solar and wind power

Answers

The Northern European geography and technology influenced each other in several ways during the course of Europe's history. Northern Europe has a rich historical and cultural background that is due to its unique geographic characteristics. Technology also played a major role in shaping Northern Europe's history.

Below are the ways in which Northern European geography and technology affected each other in the course of Europe's history:

Geography:Northern Europe's geography was a significant factor in shaping its history. The region's unique topography, including large mountains, dense forests, and vast coastlines, greatly influenced the lives of the people living there. Rivers and seas were significant transport routes, providing trade opportunities and fostering relationships between different peoples. The Vikings were known for their seafaring ability, which enabled them to expand their territories and trade goods with other civilizations.

Technology:Northern European geography and technology influenced each other mainly by being in close contact, and also the fact that very often most of the region was under a single ruler. Technology played a significant role in the history of Northern Europe, particularly during the industrial revolution. The industrial revolution resulted in significant changes in the region's economy and society. The steam engine was one of the most significant technological advancements of the industrial revolution, which led to the development of new industries, including textiles and iron production.The steam engine was also used to power ships, which opened up new trade routes and allowed for the expansion of empires.

Banned:Northern European geography and technology also led to the banning of some things, such as older vehicles. Paris has banned older vehicles as a result of the city's air pollution. Acid rain caused by the burning of coal has resulted in cities now protecting buildings and statues with acid-resistant coatings. Power plants now burn natural gas instead of coal because it burns cleaner. Some countries are developing alternative fuel sources such as solar and wind power in response to air pollution.

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If the world was a country, where would its capital be?​

Answers

Answer:

probably one of the stronger countries/bigger cities

Explanation:

The UK (London), China, Korea, or the US

The compression of matter due to gravitational attraction increased as the protoplanets formed. What was a result of this compression within each protoplanet?

A. initiation of nuclear fusion

B. increase in noble gas destabilization

C. increase in thermal energy

D. initiation of photosynthesis reactions

Answers

Scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the supernova of a nearby star. Shock waves from the explosion compressed the cloud of gas and dust. Compression made the cloud collapse, as gravity pulled the gas and dust together, forming a solar nebula.

are narrow bands of wind formed when warm equatorial air meets the cooler air of middle latitudes

Answers

Yes, narrow bands of wind are formed when warm equatorial air meets the cooler air of middle latitudes.

The meeting of warm and cold air masses causes the formation of fronts, which are boundaries between two different air masses. These fronts can be either cold fronts or warm fronts depending on the type of air mass that is advancing.

When a warm air mass advances into a cooler air mass, it forms a warm front, while a cold air mass advancing into a warmer air mass creates a cold front. Along these fronts, narrow bands of wind form due to the differences in air pressure between the two air masses. These narrow bands of wind are called frontal zones.

In the case of warm fronts, the warm air rises over the cool air mass, causing the air to cool and condense, resulting in clouds and precipitation. On the other hand, when a cold front advances into a warmer air mass, it forces the warm air to rise, creating towering cumulus clouds that often result in thunderstorms.

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What best describes the features of earth’s oceanic crust?

Answers

Oceanic crust differs from continental crust in a number of ways, including thickness, density, age, and chemical make-up. Like continental crust, however, oceanic crust is destroyed in subduction zones.

The lavas are generally of two types: pillow lavas and sheet flows. Pillow lava appears to be fashioned just as the name suggests—like big, overstuffed pillows with a cross section measuring 1 m (3 ft) and up to several m in length.

At the spreading hubs, they frequently grow into little hills that are tens of metres high. The appearance of sheet flows is that of wrinkled bed sheets. They typically cover a larger area than pillow lavas and are thinner than those lavas (only about 10 cm [4 inches] thick).

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104. Which way is groundwater flowing in this cone of depression?A.from left to right across the entire areaB.from right to left across the entire areaC.upward and away from the well in all directionsD.downward and toward the well from all directions

Answers

The flow of groundwater in a cone of depression is governed by the concept of hydraulic gradient i.e. downward and toward the well from all directions.

The Answer is D

The principle states that groundwater will flow in the direction of steepest decline in hydraulic head, or in other words, the direction of greatest pressure difference between two points. Based on this principle, in a typical cone of depression, groundwater will flow from the high end of the cone down to the low end, in other words, downward and toward the well from all directions.

This occurs because the upper portion of the cone has greater pressures than the lower portion, and the pressure differential between the two creates a flow of water through the cone. Therefore, the answer would be D. Downward and toward the well from all directions.

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in which body of water are the asian islands located? question 20 options: atlantic ocean arctic ocean pacific ocean

Answers

Answer:

Pacific Ocean

Explanation:

The Asian islands are primarily located in the Pacific Ocean. The correct answer is option c.

The Pacific Ocean is the largest and deepest ocean on Earth, covering a significant portion of the Earth's surface. It borders the eastern coastlines of Asia, including countries such as Japan, Philippines, Indonesia, and many others.

These Asian islands are part of the vast archipelagos found in the Pacific, which include the Japanese archipelago, the Indonesian archipelago, the Philippines, and various smaller island groups.

The Atlantic Ocean is located to the east of the Americas, while the Arctic Ocean is located in the polar region north of the continents.

The correct answer is option c.

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Complete question

In which body of water are the asian islands located?

a. atlantic ocean

b. arctic ocean

c. pacific ocean

Describe two changes that GCMs project will occur in the Earth's cryosphere during the remainder of the current century. Explain how the amount of greenhouse gases emitted by humans over the upcoming decades will affect the magnitude of these changes.

Answers

Two changes that are projected to occur in the Earth's cryosphere during the remainder of the current century resulting from climate change are a decrease in the amount of ice in glaciers, and a decrease in the extent of arctic sea ice.

A decrease in glacial ice could lead to their eventual disappearance entirely in heavily glaciated regions such as Greenland, as well as a decrease in summer streamflow in regions reliant on glacier meltwater. The decrease in arctic sea ice will result in a decrease in global albedo and an increase in the heat absorbed at the poles, leading to faster temperatures rises, ocean acidification, and reduction of habitat for polar species.

The magnitude of these changes will be largely determined by the amount of greenhouse gases emitted by humans into the atmosphere over the upcoming decades. Higher emissions will lead to a larger magnitude of the changes mentioned above. Increasing carbon dioxide emissions will result in a greater amount of warming due to the greenhouse effect, leading to increased melting and decreasing extent of both glaciers and arctic sea ice. Reducing emissions however, could result in a slower rate of melting and a less drastic decrease in glacial extent and sea ice cover.

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Please write an original sentence with the words

Lines of latitude and relative location

Answers

Answer:

John was lost, so he took his map and used the lines of latitude to find his relative location to the North Pole, where he met his mom for some reason.

Explanation:

Thank you maam and have a nice day ❤️

Cuales son los países del continente americano? (Perdon si pregunto pero es para una tarea importante :c )

Answers

Explanation:

Hay en total 35 países en el continente americano y 18 territorios independientes, que se subdividen en los 3 subcontinentes americanos que son América del Norte, América Central y América del Sur.

América del norte:

Canadá, Estados Unidos; y mexico

América Central:

Antigua y Barbuda; Bahamas; Barbados; Belice; Costa Rica; Cuba; Dominica; El Salvador; Granada; Guatemala; Haití; Honduras; Jamaica; Nicaragua; Panamá; República Dominicana; Santa Lucía; Saint Kitts y Nevis; San Vicente y las Granadinas y Trinidad; y Tobago.

América del Sur:

Argentina, Bolivia, Brasil, Chile, Colombia, Ecuador, Guyana, Paraguay, Perú, Surinam, Uruguay, Venezuela

Which best explains the motivation of a student who wants to graduate
at the top of her class?
(A) Belongingness need
(B) Influence of an individualistic culture
(C) Optimal arousal
(D) Influence of oxytocin and vasopressin
(E) Growth needs

Answers

Answer:

I think it's E

Explanation:

growth needs

The influence of an individualistic culture best explains the motivation of a student who wants to graduate.

What is culture ?

Culture, which derives from the Latin colere, which means "to cultivate," refers to the patterns of human activity and the symbolic frameworks that give those patterns meaning and importance. "Systems of symbols and meanings that even their creators contest, lack fixed boundaries, are constantly in flux, and interact and compete with one another" is how cultures can be understood.

A population's collective ways of life, including its institutions, beliefs, and artistic expressions, are collectively referred to as its culture. A society's whole way of life has been referred to as its culture. As a result, it incorporates systems of belief as well as standards of behavior, such as law and morality, and rules of conduct, dress, language, religion, rituals, and culture.

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The layer of the atmosphere that contains weather is the (1 point)
stratosphere
asthenosphere
mesosphere
troposphere

Answers

Troposphere is the layer of the atmosphere that contains weather .

The troposphere rises from the surface of the earth to a height of 4 to 12 miles. From the equator to the poles, the troposphere's height varies. The air in this thin layer gets thinner as height increases because the density of the gases in it drops. As a result, when one ascends, the temperature of the troposphere also drops.

The temperature decreases as one ascends, going from an average of roughly 17°C to -51°C at the tropopause. About 75% of the air in the atmosphere is found in the troposphere. The top layer of the troposphere is called the tropopause. It is lowest (7–10 km) at the poles and highest (about 17–18 km) close to the equator.

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Which evidence did alfred wegener not propose to support the existence of one large supercontinent and its subsequent break up?

Answers

Alfred Wegener proposed several pieces of evidence to support the existence of one large supercontinent and its subsequent break-up.

The continental drift hypothesis proposed by Alfred Wegener in 1912 suggested that the continents were once joined as a supercontinent named Pangaea.

This hypothesis is supported by the following pieces of evidence: Jigsaw fit of the continents along the Atlantic Ocean floor.

Fossils that are found in different continents match each other.Rock formations on different continents match each other.The existence of similar mountain belts across different continents.However, the one piece of evidence that Alfred Wegener did not propose to support the existence of one large supercontinent and its subsequent breakup was plate tectonics.

The plate tectonics theory explained how the continents move on the Earth's crust and helped in understanding the mechanism behind the break-up of Pangaea.

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Scientists have discovered a moon rock, and they determine that there is about 50% of uranium remaining. Use the reference diagram to determine the age of the moon rock. Explain your answer.​

Answers

Answer:

4500 years old

Explanation:

Line up 50 to the graph on the y axis and it gives a x value of 4500

HELPPPPP

Human made structures that are used and paid for by community and help it function are called what.
A. City services
B. Infrastructure
C. Civic buildings
D. Development

Answers

90% sure that it’s

C. Civic buildings

4.) What role do you think you play in the water crisis? How might you be impacting it (positively and/or negatively)?​

Answers

Individuals can play a significant role in the water crisis by conserving water, adopting sustainable practices, and advocating for responsible water management.

Positively, I can disseminate information and raise awareness about water conservation, sustainable practices, and the importance of responsible water management. By providing accurate and helpful content, I can contribute to educating individuals and promoting behavior changes that lead to water conservation efforts. Additionally, I can assist in generating ideas and solutions to address water-related challenges through collaborative discussions and problem-solving.

On the other hand, there may be negative impacts if misinformation or incorrect advice regarding water management or conservation is inadvertently shared. It is crucial to rely on verified sources and scientific knowledge to ensure the information provided is accurate and promotes responsible water usage. As an AI, it's important for me to continually improve and update my knowledge base to provide reliable information and support positive action towards addressing the water crisis.

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Over the past 15 years new residential developments in Suburbia have destroyed 99% of the historic habitat of the 8 toed horned headed lizard. As a result the lizard population has declined from an estimated 100,000 to 57. The government has just listed this lizard as endangered under the Endangered Species Act.

John Jones owns the last 10 acres of the lizard habitat. Jones would like to develop his land just as his neighbors have developed theirs. The government has told him he cannot. As a result of this ruling the value of his property has dropped by 90%.

Answers

John Jones's land, which is the only remaining habitat of the endangered 8 toed horned headed lizard, cannot be developed, and the value of his property has dropped by 90%.

Over the past 15 years, new residential developments in Suburbia have destroyed 99% of the historic habitat of the 8 toed horned headed lizard. As a result, the lizard population has declined from an estimated 100,000 to 57. The government has just listed this lizard as endangered under the Endangered Species Act.The government has told John Jones, the owner of the last 10 acres of the lizard habitat, that he cannot develop his land just like his neighbors. As a result of this ruling, the value of his property has dropped by 90%. Why did this happen?This happened because the 8 toed horned headed lizard, which is listed as an endangered species under the Endangered Species Act, lives on John Jones's property. The government has taken measures to protect the remaining habitat of the lizard. It has put restrictions on land use in order to preserve the environment that the lizard requires for its survival.

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imagine a friend has asked you where are you located right now give three different answers below

Answers

I am currently located in San Francisco, California. Right now, I am in a cozy coffee shop in New York City. I am currently enjoying the sunny beaches of Miami, Florida.

California is a state located on the west coast of the United States. It is the most populous state in the country and encompasses a diverse range of landscapes and cultures. With its stunning Pacific coastline, majestic mountains, and sprawling deserts, California offers rich natural beauty. It is known for its iconic cities such as Los Angeles, San Francisco, and San Diego, which serve as centers of entertainment, technology, and innovation.

California is also renowned for its thriving film industry, renowned universities, and world-class national parks like Yosemite and Joshua Tree. The state boasts a vibrant multicultural society, with a blend of ethnicities, languages, and cuisines. California's economy is one of the largest in the world, driven by sectors like technology, agriculture, tourism, and entertainment. Overall, California encapsulates a unique blend of natural wonders, cultural diversity, and economic vitality.

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Which of the following MOST influenced the location of Korea's most
important civilizations? *

A. Mountains
B. Limestone
C. Rivers
D. Forests

Answers

Answer is A. Mountains.

why do tropical cyclones develop in late summer?​

Answers

Question: why do tropical cyclones develop in late summer?​

Answer: Because at this time things start to heat up so as the water warms up it can warm up to a certain amount of a degree due to the equator so as it warms up if it gets to warm it starts a cyclone but first starts as a tropical wave before strengthening to a cyclone.

                   

                              Question answered by,

                                                               Jace

Tropical cyclones development occurs in late summer because; The ocean surface attains its maximum temperature several weeks after the solar radiation maximum.

Tropical cyclones development

The ocean surface attains its maximum temperature several weeks after the solar radiation maximum, hence, most tropical cyclones occur during the late summer to early fall, more specifically, from July to September in the Northern Hemisphere and from January to March in the Southern Hemisphere as the case may be.

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Why da fok yhu lying

Answers

Answer:

huh

Explanation:

Where is industry most concentrated?
A. North America, East Asia, and Europe
B. North America, South America, and Central America
C. North America, South Asia, Europe
D. Europe, South America, and East, Asia

Answers

Answer:

C. North America, South America, Europe

North America, South Asia, Europe

You live near the ocean and your friend lives further inland. Based on this, what can you say is most likely different about the climate in your area from your friend's area in the winter?

Answers

Answer:

your friend will get a colder winter than you

Explanation:

My friend, who lives further inland will experience a colder winter than I, who lives near the ocean.

What is the effect of the ocean on the climate?

Oceans heat up and cool down at a much slower rate than land. This means that coastal areas are cooler in the summer and warmer in the winter than areas inland at the same latitude and altitude.

The relatively warm temperature of the ocean keeps the coast warm compared to the colder air in the atmosphere. The ocean will moderate the temperature near the coast. The further inland places will have less effect of the ocean and will be more colder.

Therefore, I will experience a much milder winter than my friend.

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existing water rendered unusable is a. decayed. b. polluted. c. wasted. d. drossed.

Answers

Answer:

B. Polluted.

Explanation:

Existing water rendered unusable is polluted.

Hope this helps!

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which of the following properties of the literature on organizational change management is usually seen as a problem, something that the experts cannot agree upon? Valentina recently made a friend from another country who works as a buyer at a large business firm. They get together with a group of friends and have a fun time hanging out. Valentina works at a computer firm, and when she finds out her friend's firm is looking to purchase new computers, she schedules an appointment with her friend. When they get together, Valentina is surprised when her friend quickly kisses her on both cheeks as a form of greeting. She is not sure what to do in return. This type of _________________ is not common in the United States as a form of greeting among new friends or business associates. Group of answer choices tactile communication integrated marketing communication kinesic communication proxemic communication paralinguistic When you look closely at birds, you notice that they have a wide variety of beak shapes. What might explain this adaptation? *beaks relate to how often birds flybeaks determine the type of food birds eatbeak shape enables birds to fight off predatorsbeak shape is random and does not show any signs of adaptations Identify the parts of a wave using the illustration and the function below. given the system of equations x 3y z = 2 2x 5y z = 5 x 2y 3z = 1 . the determinant of the matrix of coefficients is 3. the value of z in the solution set is:: (a) z=2/3 (b) z=5/3 (c) z=4/3 (d) z=2 (e) None of the above Please can someone help me? What is the area of this semicircle if the radius is 6m? a) ZZTech Berhad is seeking your financial advice to determine the firms cost of long term financing. The following data are relevant to your task: i) Issue bond with 12 percent coupon and the floatat an underwater scuba diver sees the sun at an apparent angle of 34 from the vertical. what is the actual direction of the sun? I need some answer plssss help me A triangle has sides with lengths of 14 feet, 48 feet, and 50 feet. Is it a right triangle? An amount of money P is invested in an account where interest is compounded at the end of the period. The future worth F yielded at an interest rate i after n periods may be determined from the following formula:f=p(1 - i)^n Write an M-file that will calculate the future worth of an in- vestment for each year from 1 through n. The input to the function should include the initial investment P, the interest rate i (as a decimal), and the number of years n for which the future worth is to be calculated. The output should consist of a table with headings and columns for n and F. Run the pro- gram for P=$100,000, i = 0.05, and n=10 years. Let S be any sample space, and E, F and G be any three events. Describe the event that E and F occur, and G does not occur.a) ( E Fc ) Gb) ( E F ) Gc) ( E F ) Gcd) ( E F ) Gce) E F Gcf) None of the above. LEGIT BEG PLEASE HELP Which countries did the us have a trade deficit in 2015? plsss helpppppp its a CRISIS write a creative paragraph describing the thought process of the first cells The table shows the number of chocolate and vanilla ice cream cones sold during the five soccer games at the tournament this weekend.What is the difference between the median number of chocolate ice cream cones sold and the median number of vanilla ice cream cones sold?A - 0B - 1C - 2D - 3 How might we determine if the trait of albinism is sex-linked? use a known maclaurin series to obtain a maclaurin series for the given function. f(x) = xe5x a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel during 30 seconds of rotation?