environment

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Across
  1. 3. Waste material that pollutes land or water.
  2. 5. The variety of plant and animal life in an ecosystem.
  3. 7. Long-term change in Earth’s temperature patterns
  4. 9. The practice of reducing waste by using items again.
  5. 10. A source of energy like wind or sunlight that does not run out.
Down
  1. 1. The process plants use to make food using sunlight.
  2. 2. The natural home of plants and animals.
  3. 4. The layer of gases surrounding Earth.
  4. 6. A process that converts waste into reusable material.
  5. 8. Trees and plants covering a large area of land.