1.4: Chapter Quiz
- Page ID
- 38881
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Chapter Quiz
- How much water on planet earth is easily treated for drinking water?
- 96%
- 20.9%
- 32%
- < 1.0%
- Most of the water on earth is found in the _________.
- atmosphere
- ocean
- ground
- rivers
- Which of the following is a natural contaminant?
- Pesticides
- Nitrates
- Phosphates
- Fluoride
- Anthropogenic contaminants refers to __________.
- turbidity
- geological contaminants
- inorganic contaminants
- manmade contamination
- The ________ is(are) essential for the maintenance of most life and ecosystems on the planet.
- climate
- water cycle
- aesthetic characteristic of water
- atmospheric circulation
- The ______ drive(s) the water cycle.
- types of precipitation
- oxygen concentration
- nutrient levels
- sun
- What portion of surface water is found in the permafrost and ice?
- 69%
- 68.7%
- 96.5%
- 30.1%


