Natural World

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Across
  1. 2. A place where waste or garbage is left
  2. 4. The act of polluting
  3. 7. The natural world or ecosystem
  4. 9. Not in danger; free from harm's reach
  5. 10. Involving atomic energy
  6. 11. A substance that is harmful or lethal to a living organism
  7. 12. left after usage (nuclear....)
Down
  1. 1. To make something harmful, especially by the addition of some unwanted product
  2. 2. The act of destroying.
  3. 3. The people living within a country
  4. 5. To set off an event or action.
  5. 6. Not enough, not sufficient.
  6. 8. An instrument of attack or defense in combat or hunting, e.g. most guns, missiles, or swords
  7. 9. to continue to live; to remain alive