Question

what law was passed to restore and maintain the chemical, physical, and biological integrity of the nation’s waters. the clean water act of 1972 the oceans act of 2000 the clean air act marine, protection, research, and sanctuaries act of 1972

Explanation:

The question asks about a law to restore and maintain water integrity. The Clean Water Act of 1972 is specifically aimed at water quality, the Oceans Act focuses on oceans, the Clean Air Act is for air, and the Marine Protection Act is about marine debris/protection, not general water integrity. So the correct option is the one about the Clean Water Act.

Answer:

A. The Clean Water Act of 1972