Q36. How many continents are there on the earth? Name them.

 

Q37. Write is the main reason of air pollution.

 

Q38. What is ‘Atmosphere’? Why atmosphere is so important?

 

Q39. Why do mountaineers carry oxygen cylinders with them?

 

Q40. Write a short note on the continent – Antarctica.

 

Q41. What is the height of the Mt Everest? Who were the first men to climb the highest mountain peak Mt. Everest on the planet earth on 29th May, 1953?

 

Q42. Write about Pacific Ocean.

 


Last modified: Thursday, 17 January 2019, 3:10 PM