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10 March, 02:25

The Permian-Triassic extinction 250 million years ago wiped out about ninety percent of Earth's animal species. Some scientists are predicting a sixth mass extinction in the future, due to

A) acid rain.

B) air pollution.

C) global warming.

D) earthquake activity.

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Answers (1)
  1. 10 March, 02:30
    0
    The answer is:

    C. Global Warming
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