Air & Air Quality

Flashcard
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Science
•
12th Grade
•
Medium
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the primary component of air?
Back
Nitrogen, which makes up about 78% of the Earth's atmosphere.
2.
FLASHCARD QUESTION
Front
What is the role of the ozone layer?
Back
The ozone layer protects the Earth from harmful ultraviolet (UV) radiation from the sun.
3.
FLASHCARD QUESTION
Front
What are common sources of air pollution?
Back
Sources include vehicle emissions, industrial discharges, and burning fossil fuels.
4.
FLASHCARD QUESTION
Front
What is the significance of carbon dioxide in the atmosphere?
Back
Carbon dioxide is a greenhouse gas that contributes to global warming and climate change.
5.
FLASHCARD QUESTION
Front
What is the troposphere?
Back
The troposphere is the lowest layer of the atmosphere, where weather occurs and where most of the air mass is found.
6.
FLASHCARD QUESTION
Front
What is air quality?
Back
Air quality refers to the condition of the air within our surroundings, often measured by the presence of pollutants.
7.
FLASHCARD QUESTION
Front
What is lead pollution and its historical context?
Back
Lead was commonly used in gasoline and paint until the 1970s, when its harmful effects on health were recognized.
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