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Ozone Depletion and the Ozone Hole

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Questions and Answers

Which of the following events is observed as part of ozone depletion?

A steady lowering of ozone in Earth's atmosphere (correct)

An increase in ozone during winter months

A decrease in ozone during summer months

An increase in the total amount of ozone in Earth's atmosphere

What is the term used to describe the larger decrease in stratospheric ozone around Earth's polar regions?

Ozone increase

Ozone hole (correct)

Ozone layer

Ozone depletion

What are the main causes of ozone depletion and the ozone hole?

Solar radiation

Volcanic eruptions

Natural phenomena

Manufactured chemicals (correct)

How are ozone-depleting substances transported into the stratosphere?

By turbulent mixing after being emitted from the surface Signup and view all the answers

What process releases atoms from the halogen group in the stratosphere, which catalyze the breakdown of ozone?

Photodissociation Signup and view all the answers

Which of the following is NOT a component of smog?

Carbon monoxide Signup and view all the answers

What is the primary cause of summer smog?

Vehicular emissions Signup and view all the answers

What was the original meaning of the word 'smog'?

Smoke and fog Signup and view all the answers

Which type of smog is associated with the formation of ozone?

Summer smog Signup and view all the answers

What are the sources of man-made smog?

Coal combustion emissions Signup and view all the answers