Answer:
See below.
Explanation:
The volume increases.
This is complies with Boyles Law:
At constant temperature P1 V1 = P2 V2 where P1, P2 are the pressures before and after and V1 and V2 are the volumes before and after.
Carbon dioxide, water vapour, oxygen and nitrogen
Most of the surface of the earth is covered with water and looks blue from space.