Your two friends are having a race with two cars down the same ramp. You really want to predict which car will win the race so can for the winning car. What information is best for you to know to make the most accurate prediction for which car will win.?

Plzzz hurry im being timed ! humans, like other organisms, require energy for growth and repair. when cells create atp for energy, carbon dioxide is produced as a waste product. how does the body respond to this process in order to maintain homeostasis? a. the digestive and respiratory systems interact to move carbon dioxide to the lower intestine, where it is transformed into methane. b. the circulatory and digestive systems interact to move carbon dioxide to the stomach, where it to break down food. c. the nervous and urinary systems interact to move carbon dioxide to the kidneys, where it is absorbed into the bloodstream. d. the circulatory and respiratory systems interact to transport carbon dioxide to the lungs, where it is expelled from the body.

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

How does friction with the atmosphere affect the speed of an artificial satellite