3.1.3 Impact on the Atmosphere

Why must humans minimize their impact on the atmosphere?

• To increase air pollution

• To create more smog

• To protect living organisms from the Sun's ultraviolet radiation

• To use more energy resources

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NGSS.MS-ESS3-4

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What is the main cause of photochemical smog?

• Nitrogen and carbon compounds in the air reacting with sunlight

• The release of chlorofluorocarbons (CFCs) from old air conditioners

• Ozone close to Earth's surface

• The burning of energy for heating and cooling homes

What is the role of ozone high in the atmosphere?

• It is always harmful and causes smog

• It protects living organisms from the Sun's ultraviolet rays

• It contributes to air pollution

• It is a major component of smog

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NGSS.HS-PS4-3

Which of the following is a consequence of using products that contain chlorofluorocarbons (CFCs)?

• They increase the amount of smog in cities

• They help in protecting the ozone layer

• They affect the ozone layer

• They reduce nitrogen and carbon compounds in the air

What is the main cause of acid precipitation?

• The release of untreated sewage into water bodies

• Gases containing nitrogen and sulfur reacting with water, oxygen, and other chemicals in the atmosphere

• The use of CFCs and their reaction with sunlight

• Excessive use of fertilizers in agriculture

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NGSS.MS-PS1-2

What is particulate matter?

What can be a health effect of inhaling particulate matter?

• Improved respiratory function

• Difficulty breathing and other respiratory problems

• Enhanced sense of smell

• Increased lung capacity

What international agreement aims to reduce the use of CFCs?

• The Paris Agreement

• The Kyoto Protocol

• The Montreal Protocol

• The Clean Air Act

What has been a positive outcome of the Clean Air Act in the United States?

• Increase in the use of CFCs

• Decrease in the amount of certain pollutants that can be released into the air

• Increase in acid precipitation

• Increase in the amount of particulate matter

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NGSS.HS-ESS2-2

NGSS.HS-ESS3-6

NGSS.HS-ETS1-3

What does the word "analyze" mean in the context of academic vocabulary?

• To create or invent something

• To examine or think about something carefully

• To use energy resources

• To make a difference in the environment

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NGSS.MS-ESS3-2

NGSS.MS-ETS1-3

NGSS.MS-LS4-1

NGSS.MS-PS1-2