Earth Month!

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Across
  1. 4. underwater amounts in range formed by plate tectonics
  2. 7. large piles of sediment at the base of the continental slope
Down
  1. 1. underwater mountains made of volcanic material
  2. 2. biological community of interacting organisms and their physical environment
  3. 3. A long deep depression in the ocean floor
  4. 5. H2O
  5. 6. Solar Energy
  6. 8. Feeds on Flora and Fauna