Unit 2 Water Quality Review

Front

What depletes oxygen in a body of water?

Back

Organic wastes such as sewage.

Front

What is a commonly used indicator of water quality?

Back

E. coli.

Front

Does cold water hold more dissolved oxygen than warm water?

Back

True.

Front

What does Dissolved Oxygen (DO) refer to?

Back

How much oxygen is in the water.

Front

What is the leading cause of water pollution?

Back

Agriculture.

Front

What is the significance of dissolved oxygen in water?

Back

It is essential for the survival of aquatic life.

Front

How does temperature affect dissolved oxygen levels?

Back

Colder water can hold more dissolved oxygen than warmer water.

Front

What are some common sources of water pollution?

Back

Agricultural runoff, industrial discharge, sewage, and stormwater.

Front

What role do bacteria like E. coli play in water quality assessment?

Back

They indicate the presence of fecal contamination.

Front

What is the impact of organic waste on aquatic ecosystems?

Back

It can lead to oxygen depletion and harm aquatic organisms.