Question

Why are the gases in the troposphere layer denser than the gases in the other layers? Give reasons for your answer.

Answer 1

The troposphere has the most density because it has the most air pressure. As you get higher in the atmosphere, the air gets thinner, which is why people who climb high mountains get sick because the air is not thick enough for them to breathe.

Step-by-step explanation:

Answer 2

The troposphere has the most density because it has the most air pressure.  As you get higher in the atmosphere, the air gets thinner, which is why people who climb high mountains get sick because the air is not thick enough for them to breathe.