Question

What is air pressure? A. Earth's gravity pulling down on air molecules. B. Constant collisions between air molecules due to their high energy C. The result of air being confined to a particular volume in the atmosphere D. The Sun's gravity pulling on Earth's atmosphere

Answer 1

Earth's gravity pulling down on air molecules.

Step-by-step explanation:

Answer on Odyssey-ware

Answer 2

I think it is D now i am not sure but I think it is Hope it is right....