Natural Resources

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Across
  1. 4. major component of the atmosphere
  2. 8. The outermost layer of our earth
  3. 9. The outer crust of the Earth
  4. 10. It is a Fossil Fuel
Down
  1. 1. formed due to heating of water bodies
  2. 2. Uneven heating of air over land causes this
  3. 3. Life supporting zone of the earth
  4. 5. occupies a very large area of the Earth’s
  5. 6. Elemental form of carbon
  6. 7. gas makes up 78% of our
  7. 11. The formula is O3