Earth Science

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Across
  1. 2. relating to the natural world and human activity
  2. 3. the envelope of glasses surrounding the earth
  3. 5. concerned with the relation of living organisms
  4. 7. the impact on the environment of human activity in terms of pollution or damage to natural resources
Down
  1. 1. all water on earth
  2. 4. contaminated water, air, or place with harmful or poisonous substances
  3. 6. the description of a natural occurring phenomena in the world
  4. 7. a thing that is known or proven true