earth day

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Across
  1. 4. materials from industry that are poisonous to humans or other living things
  2. 5. A group of similar organisms that can mate with each other and produce fertile offspring
  3. 6. Damage done to a habitat that results in the loss of resources that organisms need to survive, like food, water, and shelte
  4. 8. A method of resource conservation that involves using products more that once
  5. 9. Cutting down of forests leading to increased erosion and slower soil regeneration.
  6. 10. Convert waste into reusable material.
Down
  1. 1. A mixture of gases that surrounds our planet; can be polluted from exhaust from vehicles or factories.
  2. 2. An area that provides an organism with its basic needs for survival.
  3. 3. A natural resource that can be replaced at the same rate at which the resource is consumed
  4. 7. The total surroundings (living and nonliving) of an organism or a group of organisms