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Type: Multiple-Choice
Category: Communities, Populations, and Ecosystems
Level: Grade 8
Author: kimcontraguerro
Last Modified: 6 years ago

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Communities, Populations, and Ecosystems Question

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Grade 8 Communities, Populations, and Ecosystems

What is true of matter in all ecosystems?
  1. It decreases as time goes on
  2. It is recycled
  3. It increases as time goes on
  4. none of the above