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- 1. Multiple Choice
Chemicals released from an Industrial Plant directly into a river
Point
Non-Point
- 2. Multiple Choice
Disposing of paint and other household hazardous materials down the drain
Point
Non-Point
- 3. Multiple Choice______________________ is the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water.water pollutiondesalinationwatershedpotable
- 4. Multiple Choice
Some kids were dumping paint in the local pond. What type of water pollution did they cause?
Toxic
Sediment
Nutrient
Bacterial
- 5. Multiple Choice
Why does chemical waste need to be disposed of carefully?
It encourages excessive plant growth
It contains heavy metals which build up in the tissues of living organisms.
It is not biodegradable
It depletes the oxygen levels in the water
- 6. Multiple ChoiceDirt, sand and silt are classified as what type of pollution?toxinssedimentnutrientbacterial
- 7. Multiple Choice
Logging operations used to use a technique called clear-cutting, in which all of the trees in an area are cut down. What type of water pollution will this most likely lead to?
Toxic
Sediment
Nutrient
Bacterial
- 8. Multiple Choice
A farmer applies excess fertilizer to one of her fields just before a rainstorm. What kind of pollution is this most likely to lead to?
Toxic
Sediment
Nutrient
Bacterial
- 9. Multiple Choice
This type of pollution comes from any heating of natural water that results from human activity
Thermal pollution
Chemical pollution
Biological pollution
- 10. Multiple Choice
Which of the following is an effect of an oil spill?
Many plants and animals die.
The fishing industry improves.
Plant life increases.
The oil cleans the beaches.
- 11. Multiple Choice
At a research lab, a scientist carelessly pours cultures of living microbes down the drain. What type of water pollution does this cause?
Toxic
Sediment
Nutrient
Bacterial
- 12. Multiple Choice
What type of pollution is the example:
Water from a river or lake, that is used for cooling powerplants, get warmed up. When that warm water is returned to the river or lake, it is a higher temperature than the river or lake water. This warmer water has less oxygen available for organisms that live in the water.
Biological pollution
Chemical pollution
Thermal pollution
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