Complete the given crossword and write the answers.

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Across
  1. 4. Soil found generally below the ocean basin is-______________________
  2. 5. It is a variety of life on earth comprising of plants, animals and micro organisms-____________
  3. 6. Physical and biological environment are the components of _____________________ environment
  4. 10. Uppermost part of the lithosphere is composed of these rocks-____________
  5. 12. This sphere is most dynamic in nature-______________
  6. 14. % of water in southern hemisphere-_______________
  7. 15. Estimated % of water covered in northern hemisphere-________
Down
  1. 1. All that surrounds us is _____________
  2. 2. Number of wildlife sanctuaries-_________
  3. 3. Wildlife Protection Act was launched in which year?
  4. 7. Thickness of lithosphere-____________km
  5. 8. 99% of gases in the atmosphere lies within __________km of height
  6. 9. Sphere of life-__________
  7. 11. It's literal meaning is the sphere of rocks-_____________
  8. 13. A well demarcated reserved area for the protection of wildlife, where no human activity is allowed-_______________