What causes convection What causes convection currents, and what do they do? currents, and what do they do?

What were some major events and battles that happened with the Chaldeans? A commercial aircraft is in steady flight. The overall lift to drag coefficient is 25. The other flight data are: (i)Weight of aircraft (including crew and passengers) = 70,000 kg (ii) Flight speed 400 km/hr (iii) Average wing span = 50 m (iv) Average wing chord = 7 m When in operation 20% of fuel power is lost. Find the power required for this steady flight. (5M) Which polynomials are in standard form?Choose all answers that apply:5 - 2xB24 8x2 16523 + 4x4 3x + 1DNone of the above Is 813.1 a rational number? i need this asap pls it would b v appreciated 1. Which of the following is a true statement? *To square a number, multiply the number by 2.The inverse of squaring a number is to divide the number by 2.To square a number, multiply the number by itself.O A perfect square is a number whose square root is an even number. Two consecutive numbers have a sum of 27. What is the smaller number? Which instrument of the Roman Republic held the MOST power? I NEED HELP DUE RIGHT NOW PLZZZZZ 1.81 repeating as a fraction I NEED HELP PLEASE !!!!!!! Solve for x: 5 (x + 5) > 2(x + 4) A: x > 8 B: x < 8 C: x > 18 D: x < 18 Liberalism promotes all the following EXCEPT1. Individualism2. Rights of man3. Pursuit of property4. Strong central government How to write 100.01 as fraction Write , or = between the pair of numbers to form a true statement.0.8480.84800 Can someone help me with my algebra homework and explain how you got it ? it is easier to swim in Ocean than in a water find the value of n: 8n+3=19 HELP ASAP PLEASE Outline a sample experiment you could set up to investigate the effect of drinking Starbucks on student test scores. List all components in the 2nd objective above. Which option is an example of inductive reasoning? A. Spiders are scary. Ghosts are scary. Therefore, spiders are ghosts. B. Jin aces every test he takes. Therefore, he will fail the next test. C. Cities are populated. Chicago is a city. Therefore, Chicago is populated O D. I always get tired at 3 o'clock. Therefore, I will get tired at 3 o'clock today. Four students all took a different approach to solve the equation below. 3 students did something correctly, but one student made a mathematical error. Choose the student who made a mistake. -9+3(4x-5)=21 A)Jesus: Divide everything by 3 B)Kim: Add 5 to both sides C)David: Add 9 to both sides D) Sonja: Distribute the 3