Beaches.
Explanation: I got my answer from quizlet
I feel like sewage water would be a source of gray water because its all of human excretions mixed into one
The answer is B because A eventually becomes blocked, C has no way of getting wind because of A and, B is at a higher point and does not become blocked! hope I helped :):):):):)
Cutting, grinding, and drilling are other ways diamonds can be used
