Apentix/AP Environmental Science/Unit 9: Global Change/Question

AP Environmental Sciencemediummcq1 pt

The Antarctic ozone hole appears seasonally because

A.ozone destruction peaks when sunlight returns after the polar winter

B.CFCs are only emitted in spring

C.ozone migrates to the Arctic in spring

D.satellites only measure in spring

Explanation

Core Concept

Polar stratospheric clouds accumulate chlorine reservoirs through the dark winter; spring sunlight activates the destruction — the hole's seasonal rhythm.

Correct Answer

Aozone destruction peaks when sunlight returns after the polar winter

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