Hydrology Review

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If a body of water has very high pH, what can most likely be concluded?

In the United States, which agency enforces the Clean Water Act and Safe Drinking Water Act?

Which best describes why we should protect estuaries?

Why does reducing runoff from impervious surfaces improve water quality?

7 Which factors can have the greatest effect on the health of a river system?

2 Which best determines the health of a lake used as a source of freshwater?

8 In the United States, which is responsible for ensuring the safety of the country’s drinking water?

High nitrates lead to algae blooms. These algae die and rot, which reduces dissolved oxygen. What is this process called?