Across
- 2. __________ of panama, strip of land linking north and south america
- 5. deepest point on earth, inside pacific ocean
- 10. island continent
- 12. large land masses
- 14. shape of pacific ocean
- 17. largest ocean
- 18. gaseous layer that surrounds the earth
- 20. 78% portion in all the clean, dry air
- 22. ocean that is triangular in shape
- 23. largest continent
- 24. 3 major latitudes pass through this continent
- 26. large water bodies
- 27. solid portion of the earth
Down
- 1. water on earth
- 3. 21% portion in clean, dry air
- 4. keeps earth warm
- 6. ________ strait connecting arctic ocean and pacific ocean
- 7. number of continents
- 8. second largest ocean
- 9. europe + asia
- 11. this continent has research continents of many countries
- 13. narrow zone where we find land, water and air together
- 15. worlds largest hot desert
- 16. research station of india near the south pole
- 19. _________ from industries, thermal power plants and vehicles pollute the air
- 21. increase in CO2 levels, inturn increases global temperatures causing _________________
- 25. __________ of air decreases with increase in height
