Question

You drink a half bottle of water at a mountain top and close the lid tightly before you go down the mountain. When you reach the foot of the mountain, you notice that the bottle is squeezed to a smaller volume. This is because

A. the air pressure inside the water bottle is more than the atmospheric pressure outside the bottle.

B. the air pressure inside the water bottle is less than the atmospheric pressure outside the bottle.

C. the atmospheric pressure at the top of the mountain is higher than at the foot of the mountain.

D. B and C are correct

Answer 1

D :)