Podcast
Questions and Answers
Which percentage of the Earth's water is salt water?
Which percentage of the Earth's water is salt water?
- 3%
- 30%
- 97% (correct)
- 70%
Where is the majority of the Earth's fresh water found?
Where is the majority of the Earth's fresh water found?
- Surface water
- Glaciers and polar ice caps (correct)
- Groundwater
- In the air
What are natural sources of fresh water?
What are natural sources of fresh water?
- Surface water, under river flow, groundwater, and frozen water (correct)
- Salt water and polar ice caps
- Treated wastewater and desalinated seawater
- Glaciers and underground caves
What are some human uses of water resources?
What are some human uses of water resources?
What are some threats to water resources?
What are some threats to water resources?