What are three factors in the composition of soil?

Can someone me choose a broad topic and area of focus i am really doing this as a tally to see which one most people pick ok water pollution global warming endangered species atmosphere for the !

What is an additional type of erosion found at the coast? what does it mean?

Audrey planned to move from iowa to arizona. en route, she was offered a job in colorado, which she accepted. she now lives in denver, colorado, and works for an athletic apparel design company.