Q: Water pollution occurs when chemicals, sewage, trash, or heat enter what?


Read this paragraph and choose the correct option from the provided answers:

Water pollution occurs when chemicals, sewage, trash, or heat enter water resources. Water pollution is threatening the limited supply of clean, fresh water that human beings and other living things depend on.

 Choices:

- renewable resources

- air resources

- natural resources

- water resources


A:
water resources