Question

The earth’s atmosphere ____

a. thins as elevation increases.
b. thins as elevation decreases
c. stays the same at all elevations.
d. thickens during solar equinoxes

Answer 1

thins as elevation increases

Answer 2

The answer would be A) Thins as elevation increases
This is why astronauts wear suits that require oxygen to breathe, because the air becomes to thin to breathe.
Hope this helps :D