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Type: Multiple-Choice
Category: Atmosphere
Level: Grade 8
Author: HanieHartman
Last Modified: 6 years ago

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Atmosphere Question

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Grade 8 Atmosphere

What are two things carbon dioxide in the atmosphere does?
  1. Needed for photosynthesis and oxygen for breathing
  2. Creates the greenhouse effect and filters harmful Sun rays
  3. Needed for photosynthesis and creates the greenhouse effect
  4. Makes water vapor boil and removes all trace gases