Earth Day

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Across
  1. 3. offering one’s services.
  2. 4. Place in a ground so it can grow.
  3. 5. protect an environmentally from harm.
  4. 6. An annual event to support for environmental protection.
Down
  1. 1. make or become better.
  2. 2. make difference.
  3. 5. the action of making something clean.