Oxbow lakes form when:
rivers empty into oceans.
two or more streams empty into a river.
when a bend in a river gets cut off from the main river.
sediments are deposited at the end of a river.

answer: c

explanation:

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.