Environment

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Across
  1. 4. the nearest star which is the main source of heat and light for all the planets
  2. 5. Water which is purified and suitable for drinking
  3. 7. Green house gas
  4. 9. Taj Mahal is being affected by
  5. 10. It is also known as red planet
Down
  1. 1. The part of the earth in which living organisms exist or that supports life
  2. 2. The acid drops come down with rain which is known as this
  3. 3. Most polluted river in the world is
  4. 6. sudden shaking or trembling of the earth which lasts for a very short time
  5. 8. Highest percentage of air consists of