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Check your knowledge! Take our fun quiz for the intermediate Pollution Section of the Atmosphere Chapter of our textbook! Follow the instructions and then click on the "Check it!" button for each question.

Intermediate Activities: Pollution

1.	How many days does it take to create life threatening conditions in our atmosphere? (Type in your answer.)

2.	Rain and snow naturally acidic.
	True False

3.	Which of these are possible effects of the hole in the ozone layer? (Check all the possible effects.)
	Skin cancer. Melting of polar ice caps. Less life in the oceans. Poor crop yields.

4.	Which of these are the effects of sewage being drained into the ocean? (Check the correct answer.)
	Illness in humans. Death of plant life. Death of animal life. Disruption of the food chain. All of the above.

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