There is a continual daylight or summer in the Arctic regions from
| A. | 21st December to 21st March |
| B. | 21st March to 21st June |
| C. | 21st March to 21st September |
| D. | 21st June to 21st December |
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Option: D Explanation : Click on Discuss to view users comments. |
Antipodes are
| A. | Lines joining places having a time difference of 12 hours |
| B. | Places diametrically opposite on earth's surface |
| C. | Places located at a point where degree of latitude is equal to degree of longitude |
| D. | Lines joining places having the same depths |
|
Option: B Explanation : Click on Discuss to view users comments. |
The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from Earth going back to space. This is known as
| A. | Earth radiation |
| B. | Wave balance of Earth |
| C. | Heat balance of Earth |
| D. | Radiation exchange |
|
Option: C Explanation : Click on Discuss to view users comments. |
