Unit Test — Unit test Answers

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Why was it important to establish the Clean Air Act?

to reduce the need to study the effects of dirty air on human health

to determine ways to reduce the number of premature deaths per year

to create a regulation that makes any activities that pollute the air illegal

to raise the cost of air purification techniques to ensure the efficiency of removing air pollution

Which activity is a method of habitat restoration?

cleaning up after environmental disasters

allowing trees to grow naturally

farming techniques like terrace farming and tree belts

creating a reservoir to prevent flooding

How much of the protein consumed by humans around the world is fish?

5 percent

20 percent

40 percent

50 percent

Which of the following pollutants is most commonly associated with poor air quality?

Carbon monoxide

Oxygen

Nitrogen

Water Vapor

What is one way to make a positive impact on air quality to reduce air pollution?

moving to a large city

using public transportation

planting crops in terraces

releasing gases into the air

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