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

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Environmental Science Question

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Grade 7 Environmental Science

Fossils of tropical plants found in the Arctic, sediment layers, ice cores, tree rings, and carbon cycles provide scientists with evidence for                  .
  1. greenhouse effect
  2. global warming
  3. climate change
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