Which of the following constituents of the atmasphere are important from the climatic point of view?
1. Nitrogen
2. Oxygen
3. Carbon dioxide
A. | 1 and 2 |
B. | 2 and 3 |
C. | 1, 2 and 3 |
D. | only 3 |
Option: D Explanation : Click on Discuss to view users comments. |
The instrument used for finding out wind direction is
A. | Anemometer |
B. | Wind vane |
C. | Wind gauze |
D. | Hygrometer |
Option: B Explanation : Click on Discuss to view users comments. |
What is the main cause of the movement in the earth's atmosphere?
A. | Difference in air pressure |
B. | Solar energy |
C. | Difference in temperature |
D. | Wind |
Option: B Explanation : Click on Discuss to view users comments. |