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Type: Multiple-Choice
Category: Environmental Science
Level: Grade 7
Score: 1
Tags: water treatment
Author: Davidneg
Last Modified: a month ago

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Environmental Science Question

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Grade 7 Environmental Science

                pollution comes from one specific site, for example, a major chemical spill.
  1. Water
  2. Point-source
  3. Nonpoint-source
  4. Nuclear
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