The correct response is: The air is thinner.
As you climb higher in altitude, the density of the air decreases, which means there are fewer oxygen molecules available. This can make it harder to breathe.
Why is it harder to breathe when climbing up a high mountain?(1 point)
Responses
The air has more moisture.
The air pressure increases.
The air is thinner.
The air compresses the lungs.
1 answer