Earth's Water Review for S6E3ab Test:

1. What is a reservoir as part of the Earth's water?

2. What is the largest reservoir of water on Earth?

3. fwp

Which is the largest reservoir of freshwater? (Use the graph)

4. Which is the larget usable reservoir of freshwater?(Use the graph)

5. What makes up the largest part of the Earth's surface?

6. How is ocean water different from freshwater?

7. What fraction of the Earth's surface is covered in water?

8. What are aquifers?

9. How do the aquifers get filled?

10. What is desalination and why don't we use it more often?