Answer: Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. Because of this I believe this this statement completely.
Explanation:
Erosion is the reason why have so many great structures today such as the grand canyon.
Answer:
Waterproof covering
Explanation:
It's the desert so it's pretty dry...they'd want to soak up as much water as possible
It is called a Building: Because the suffix 'ing' is added to verbs to make noun forms. For instance a celebrity's following. Following describes the people who follow them in a noun form.Building is a noun form of a thing that exists as the result of the act of those who built it.
It's a stage of the very important Nitrogen cycle. All living things need Nitrogen, without it there is no life.