Answers HS Earth and Space Science Sem. 1Air Resources

Air Resources Answers

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Study the image of a plant.

oxygen

nitrogen

water vapor

carbon dioxide

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Which accurately describes one impact of the atmosphere on Earth’s cycles?

produces wind currents

changes nitrogen into carbon dioxide

transfers carbon from plants to animals

moves oxygen from volcanic eruptions for plants to use

What was the order of steps taken by the United States to clean the air?

enact the Clean Air Act, establish funding to study how to clean the air, create the EPA, and find cost-effective ways to keep the air clean

establish funding to study how to clean the air, enact the Clean Air Act, create the EPA, and find cost-effective ways to keep the air clean

find cost-effective ways to keep the air clean, establish funding to study how to clean the air, create the EPA, and enact the Clean Air Act

create the EPA, enact the Clean Air Act, find cost-effective ways to keep the air clean, and establish funding to study how to clean the air

A community takes action to reduce chemical release at an industrial plant located near a town.Why is it important for the community to take action?

to limit the potential threat of a buildup from pollutants that affect outside air

to reduce the number of premature deaths associated with ultrafine particle exposure

to highlight the impact of indoor air pollution exposure on people that reside in the town

to address the negative effects of skin cancer that are associated with this chemical release

Which factor is a major contributor to outdoor air pollution?

radon

fossil fuels

ultrafine particles

carbon monoxide

Which sphere is the atmosphere interacting with when winds are produced over oceans?

asthenosphere

biosphere

hydrosphere

lithosphere

Why was 1990 an important year regarding air quality?

The United States took first steps to keep the air clean.

The United States created the Environmental Protection Agency.

Modifications and improvements were made to the Clean Air Act.

Funding was established under the Clean Air Act to study air pollution.

What are one of the ways the atmosphere recycle gases through interactions with the biosphere ?

Through the usage of nitrogen and release oxygen into the atmosphere from plants.

Though the process photosynthesis

Through available sunlight and release oxygen into the atmosphere.

The mineral content in the ground that plants rely on and release carbon dioxide into the atmosphere.

Which role do ultrafine particles play in dirty air?

They contribute to less than 13,000 premature deaths a year.

They can worsen symptoms for people with breathing difficulties.

They are easily removed from the air when people see them floating.

They are constantly filtered by the nose, which prevents lung absorption.

Which gas do plants absorb from the atmosphere during photosynthesis?

sulfur

oxygen

nitric oxide

carbon dioxide

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