The first answer is answer. not a process, so it can't be the correct answer.
The second answer refers to the process of liquids changing their state to gas- so it's also not the correct answer.
The correct answer is the last one: desertification!- this is the process when a place becomes a dry and plantles ground.
A homogenous non crystalline substance consisting of large molecules
I believe the answer is a soil
The answer is 10%. Hope this helps :)
