The clean water act is a law that was designed to protect water resources more specifically what is the purpose of this law?

As amended in 1972, the law became commonly known as the Clean Water Act (CWA). The 1972 amendments: Established the basic structure for regulating pollutant discharges into the waters of the United States. Gave EPA the authority to implement pollution control programs such as setting wastewater standards for industry.

Explanation:

Explanation:The Clean Water Act (CWA) establishes the basic structure for regulating discharges of pollutants into the waters of the United States and regulating quality standards for surface waters

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

d) physical means can be used to separate the components of air.