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- 1. Multiple Choice
Which of the following may be a source for drinking water?
Rivers
Lakes
Streams
All the above
- 2. Multiple Choice
Which of the following type of pollution takes place due to excessive algae?
Nutrients pollution
Groundwater pollution
Suspended matter
Oil spills
- 3. Multiple Choice
Which of the following statements is most TRUE?
All causes of pollution can be prevented by humans.
Many causes of pollution can be prevented, including natural pollution.
Much of the human causes of pollution can be prevented.
Pollution would not be a problem if people would simply stop littering.
- 4. Multiple Choice
What are the examples of suspended matter ?
Substances
Particles
Oil
Chemicals
Molecules
- 5. Fill in the Blank
How much plastic garbage dumped into water every year ?
- 6. Multiple Choice
How many percent of the Earth's surface is covered with water ?
Over 70
Below 70
Between 60 to 70
70
- 7. Multiple Choice
Planting more trees and flowers can lead to more rainwater being soaked up.
TRUE
FALSE
- 8. Multiple Choice
In the U.S., 1.3 trillion gallons of sewage is dumped into water each year.
TRUE
FALSE
- 9. Multiple Choice
What are sources of of the excessive nutrients ?
Wastewater
Garbage
Sewage
Algae
Fertilizer
- 10. Multiple Choice
Sometimes water pollution can occur naturally.
YES
NO
- Answer choicesTagsAnswer choicesTags