Hi:) why is denser air able to absorb more longwave radiation from the earth’s surface?

When it reaches the Earth, some is reflected back to space by clouds, some is absorbed by the atmosphere, and some is absorbed at the Earth's surface. However, since the Earth is much cooler than the Sun, its radiating energy is much weaker infrared energy.

Explanation:

i think the answer is going to be arabian desert!

answerformal;