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Type: Multiple-Choice
Category: Atmosphere
Level: Grade 6
Score: 2
Author: coach112
Last Modified: 9 days ago

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Atmosphere Question

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Grade 6 Atmosphere

Why is the ozone layer of Earth's atmosphere very important?
  1. It makes oxygen.
  2. It helps keep out bugs.
  3. It helps block some of the Sun's ultraviolet (UV) rays.
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