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Type: Multiple-Choice
Category: Food Chains and Webs
Level: Grade 10
Score: 2
Author: SheilaH
Last Modified: 21 days ago

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Food Chains and Webs Question

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Grade 10 Food Chains and Webs

Most of the energy that fuels ecosystems on Earth comes from
  1. chemicals.
  2. water.
  3. sunlight.
  4. bacteria.
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