Question

There are ____ molecules of air at high elevations, so air pressure is less.
a. fewer
c. more
b. the same number of
d. no

Answer 1

The correct answer is (a.) fewer. there are fewer air molecules at high elevations. The air pressure is less at a higher elevation which also mean that there will a fewer air molecule than it is on the lower level. 

Answer 2

Answer:

The answer is A: Fewer.

Explanation: