Earth Day activites

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Across
  1. 3. to collect and treat used objects and materials that are ready to be thrown out in order to produce materials that can be
  2. 5. the long-term pattern of weather in a particular area
  3. 6. contaminate (water, air, or a place) with harmful or poisonous substances
  4. 7. maintain (something) in its original or existing state.
Down
  1. 1. a generic term for non-renewable energy sources
  2. 2. make smaller or less in amount, degree, or size
  3. 4. the only planet that supports life