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Type: Multiple-Choice
Category: Environmental Science
Level: Grade 7
Score: 1
Author: amyterk
Last Modified: 7 months ago

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Environmental Science Question

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Grade 7 Environmental Science

Chlorofluorocarbons (CFCs) have damaged the                 layer of Earth's atmosphere.
  1. troposphere
  2. lithosphere
  3. chromosphere
  4. ozone
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