Nature

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Across
  1. 2. Using a lot of things enough and not wasting them
  2. 4. pollution caused by waste oils,garbage that is not recycled and thrown into the water
  3. 5. It is the recycling of recyclable waste materials that are out of use to the manufacturing processes as raw materials with various recycling methods.
Down
  1. 1. is odorless and tasteless, which is abundant on Earth and indispensable for the survival of all living things.
  2. 3. habitat of living things