What is the ozone layer?
Atmosphere and Climate Change

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•
Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An area in the stratosphere where ozone is highly concentrated, protecting living organisms by blocking harmful solar ultraviolet (UV) radiation.
2.
FLASHCARD QUESTION
Front
Which process does not reduce CO2 in the atmosphere?
Back
Animal respiration does not reduce CO2; it actually releases CO2 into the atmosphere.
3.
FLASHCARD QUESTION
Front
How has the average global temperature changed during the 20th century?
Back
The average global temperature has risen some years and fallen other years but has increased overall.
4.
FLASHCARD QUESTION
Front
What gas is primarily responsible for the greenhouse effect?
Back
Carbon dioxide (CO2) is the main gas responsible for the greenhouse effect.
5.
FLASHCARD QUESTION
Front
How does the ozone layer protect life on Earth?
Back
By blocking solar ultraviolet (UV) radiation, the ozone layer prevents harmful effects on living organisms.
6.
FLASHCARD QUESTION
Front
What is climate change?
Back
Climate change refers to significant changes in global temperatures and weather patterns over time, primarily due to human activities.
7.
FLASHCARD QUESTION
Front
What role do tropical rainforests play in the carbon cycle?
Back
Tropical rainforests absorb CO2 from the atmosphere, helping to reduce greenhouse gas levels.
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