The clean water act does not ensure high water quality throughout the nation because it does not
a. have a means of enforcement b. apply to all states c. address drinking water
gradpiont environmental science

B. apply to all states

Explanation:

The clean water act was made in United States and states not to discharge the pollutants in the water bodies thereby protecting the water bodies from getting polluted. It also ensures to keep the water suitable for fishes and also swimming.

In this law, the federal government asks the state government to set rules for their people to discharge their waste products. However, in some states the enforcement of this law has declined over the years.  

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

where is the diagram?

if you insert the diagram ill be able to you