Answer: Troposphere
Explanation:
In the troposphere, as altitude increases in the troposphere, the amount of water vapor decreases.
Ummmmm there’s no graphs to help sry
According to the report of US Environmental Protection
Agency, majority of large dose radiation exposure comes from natural background
radiation sources particularly the radioactive gases radon and thoron. This two
gases form when naturally occurring elements decay. However in the case of
man-made sources, the largest dose comes from medical x-rays.