Mother Earth

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Across
  1. 2. Melting of glaciers due to an increase in Earth's temperature.
  2. 4. The layer of gases that surrounds the planet.
  3. 6. A gas responsible for the greenhouse effect.
  4. 7. A large area of trees and plants that absorbs carbon dioxide.
  5. 8. The practice of using materials again to avoid waste.
Down
  1. 1. Natural disaster caused by the sudden release of energy in Earth's crust.
  2. 3. The process where plants convert sunlight into energy.
  3. 5. A major source of renewable energy from the sun.