Earth Day

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Across
  1. 1. The place we call home
  2. 4. Convert (waste) into reusable material
  3. 8. The plants, animals and other organisms that live in the salt water of the sea or ocean
  4. 9. The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
  5. 10. Prevention of wasteful use of a resource.
Down
  1. 1. The surroundings or conditions in which a person, animal, or plant lives or operates.
  2. 2. Make smaller or less in amount, degree, or size.
  3. 3. A biological community of interacting organisms and their physical environment.
  4. 5. An area of land overgrown with dense forest and tangled vegetation, typically in the tropics.
  5. 6. The layers of gases surrounding a planet
  6. 7. A living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses
  7. 11. A very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.