Groundwater — Unit test Answers

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Which of the following is not a possible cause for air pollution?

volcanoes

industry

combustion

none of the above

Which of the following best explains why marine debris is not caused solely by countries bordering the ocean?

Marine debris mostly originates from oceangoing ships.

Debris is carried to the ocean by winds, rivers, and storms.

Marine debris originates from natural sources.

None of the above

Landfill waste results in air pollution as _______.

garbage decomposes and releases methane

radon trapped in garbage is released

paint and hairspray cans break down

vandals set fire to flammable waste

All the radiation absorbed in the Earth’s atmosphere is absorbed in the stratosphere.

Walking to work is one way of helping improve air quality.

Over 95% of incoming UV-B radiation is absorbed in the stratosphere. Please select the best answer from the choices provided

Which government agency would you expect to be most concerned with the impacts of pollution?

Environmental Protection Agency (EPA)

Food and Drug Administration (FDA)

Bureau of Land Management (BLM)

Department of Fish and Wildlife

Which of the following is not a cause of water pollution?

jet fuel

laundry soap

ammonia

none of the above

Which of the following best explains the current state of the majority of the world’s fisheries?

they are being sustainably harvested

they are currently overfished

they are currently underfished

they are already depleted

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