Watersheds and Human Impact Vocabulary and Questions

Fertilizer can runoff land into water and cause some aquatic plants to

• grow out of control

• do nothing

• pack their bags and move away

• file a complaint with the EPA

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How can you help protect watersheds (select ALL correct answers!)

• clean up after your pet

• stop littering

• reduce amount of fertilizers and pesticides

• nothing

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The picture illustrates nonpoint source pollution.

• True

• False

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What is an example of non-point source pollution?

• Unlined landfill

• Runoff from several steel factories

• Waste water from mine

• Leaking tank

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Pollutants introduced into surface or ground water that are without a specific location source, such as water entering a drain after flowing over a lawn that has been fertilized.

• Aquifer

• Non-point source contamination

• Eutrophication

• Surface Water

The picture provided shows a river and four cities on that river. When the water from the river was sampled at location X, it was determined to be polluted with various chemicals. What would be the least likely source for this pollution

• City 1 and City 2

• City 3 and City 4

• City 2 and City 3

• City 1 and City 4

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A rapid growth of algae caused by too much fertilizer can cause...

• A reduction of oxygen levels in the water.

• Water that can support more life.

• Waters that are deadly for animals

• An increase in oxygen levels.

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Water pollution that comes from many sources is considered...

• point source pollution

• nonpoint source pollution

• thermal pollution

• ocean pollution

Pesticides, herbicides, and fertilizers are chemicals used in agriculture. How do they affect the water supply?

• By coming down as acid rain.

• Because metals and plastic produce toxic waste

• By seeping into groundwater.

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Which of these statements is true about non-point source water pollution?

• comes from one specific site

• comes from many small sources that is more difficult to control

• is always thermal pollution.

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