Water and Wind Erosion — Cumulative exam Answers
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Which gas do plants absorb from the atmosphere during photosynthesis?
A
sulfurB
oxygenC
nitric oxideD
carbon dioxide2
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Study the image of a plant.
A
oxygenB
nitrogenC
water vaporD
carbon dioxide3
Study the graph about the negative effects of indoor air pollution.
A
People have a lower risk of dying from COPD when compared to acute lower respiratory infections.B
The health risk is the highest for getting lung cancer when people are exposed to indoor air pollution.C
Most people will die from the negative health effects associated with stroke as indoor dirty air builds up.D
The risk of developing acute lower respiratory infection and ischemic heart disease is the same when exposed to indoor air pollution.4
Which role do ultrafine particles play in dirty air?
A
They contribute to less than 13,000 premature deaths a year.B
They can worsen symptoms for people with breathing difficulties.C
They are easily removed from the air when people see them floating.D
They are constantly filtered by the nose, which prevents lung absorption.5
What was the order of steps taken by the United States to clean the air?
A
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 cleanB
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 cleanC
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 ActD
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 air6
Why was 1990 an important year regarding air quality?
A
The United States took first steps to keep the air clean.B
The United States created the Environmental Protection Agency.C
Modifications and improvements were made to the Clean Air Act.D
Funding was established under the Clean Air Act to study air pollution.7
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?
A
to limit the potential threat of a buildup from pollutants that affect outside airB
to reduce the number of premature deaths associated with ultrafine particle exposureC
to highlight the impact of indoor air pollution exposure on people that reside in the townD
to address the negative effects of skin cancer that are associated with this chemical release8
Which factor is a major contributor to outdoor air pollution?
A
radonB
fossil fuelsC
ultrafine particlesD
carbon monoxide9
What was the main reason for creating the EPA?
A
enforce the Clean Air ActB
create new laws to keep the air cleanC
provide funding for air pollution studiesD
study the negative effects of polluted air10
What are one of the ways the atmosphere recycle gases through interactions with the biosphere ?
A
Through the usage of nitrogen and release oxygen into the atmosphere from plants.B
Though the process photosynthesisC
Through available sunlight and release oxygen into the atmosphere.D
The mineral content in the ground that plants rely on and release carbon dioxide into the atmosphere.Did you find these answers helpful?
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