Which of the following statements describes a salt marsh?
A.
A salt marsh lies at the edge of the sea in tropical areas and is populated with red, black, or white mangroves.
B.
A salt marsh is an estuary where grasses and grass-like plants dominate.
C.
A salt marsh is like a sandy beach, but covered with mud instead of sand.
D.
A salt marsh contains loose, shifting sand and very little water