2.2.1. Water Reservoirs

Try these first

1. 1.

   What percentage of Earth's water is stored in oceans?

   Hint

   Think about the largest body of water on Earth.

2. 2.

   Name one type of freshwater reservoir.

   Hint

   Consider the types of bodies of water that usually provide water for drinking.

3. 3.

   What is the primary reservoir of Earth's water?

   • Rivers
   • Glaciers
   • Oceans

   Hint

   Think about the largest body of water when considering total volume.

4. 4.

   True or False: Ice caps and glaciers contain more freshwater than lakes.

   • True
   • False

   Hint

   Consider the comparison in volume between these two types.

5. 5.

   Calculate the percentage of Earth's water volume that is not freshwater. If total water is 1,386,000,000 km³ and freshwater is approximately 35,000,000 km³, what is the percentage of seawater?

   Hint

   Consider how to compute percentages using the total volume.

6. 6.

   Evaluate the importance of groundwater in the context of increasing global population and water demands.

   Hint

   Think about how population growth affects water resources.