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| Q. |
The word 'insulation' means – |
| A. | matters which insulate |
| B. | incoming solar radiation |
| C. | insoluble matters |
| D. | None of the above |
| Answer» B. incoming solar radiation | |
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Explanation: Insolation is the solar radiation that reaches the earth's surface. It is measured by the amount of solar energy received per square centimeter per minute. Insolation affects temperature. The more the insolation, the higher is the temperature. |
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