EARTH DAY

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Across
  1. 3. About 70 percent of the Earth's surface is covered with ______.
  2. 7. waste obtained from plants and animals is _____.
  3. 8. The princile of 3R's stands for reducing waste, reusing and ________ resources.
  4. 9. Things like air,water and soil together forms an ______.
  5. 10. The natural home or environment of an animal, plant, or other organism.
Down
  1. 1. Solar is a ______ source of energy.
  2. 2. Turning OFF lights helps us to conserve ________.
  3. 4. The surroundings and the conditions in which we live, constitute our ______.
  4. 5. We shoould avoid using _______ bags, because they are non-biodegradable.
  5. 6. Smoke from vehicles and factories makes air _____.