Doldrums are belts of low atmospheric pressure obtained in the regions adjoining the equator to a distance of
A. | 5 degree latitude towards the north only |
B. | 5 degree latitude towards the south only |
C. | 5 degree latitude towards north and south |
D. | 15 degree latitilde towards north and south |
Option: C Explanation : Click on Discuss to view users comments. |
The amount of Albedo in the atmosphere is about
A. | 50% |
B. | 42% |
C. | 37% |
D. | 15% |
Option: B Explanation : Click on Discuss to view users comments. |
The proportion of nitrogen in dry air is
A. | 21% by volume |
B. | 78% by volume |
C. | 50% by weight |
D. | 21% by weight |
Option: B Explanation : Click on Discuss to view users comments. |