erere

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Across
  1. 4. harmful or poisonous material in the air, water, and ground
  2. 6. very little of something
  3. 7. glass buildings that are used to grow plants and protect them from the weather
Down
  1. 1. large buildings where things are built or made by people and machines
  2. 2. large tanks or tubs that can hold water or other liquids
  3. 3. filled up; no room left for anything else
  4. 5. stands tall or points up