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Environmental Protection Daily Post – October 01: Reward for participation is 3 points, plus an additional 5 points for answering correctly

2016-10-01View Original

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Multiple-choice question; The correct statement regarding the \"Antarctic ozone hole\" is ( ). A. It indicates that there is no ozone present in the Antarctic region. B. It appears in the troposphere. C. It is caused entirely by human activities. D. Its size changes throughout the seasons. D

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