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Air — Social Studies STD 7 — Question

CBSE BoardEnglish MediumSTD 7Social StudiesAir5 Marks
Question
How does insolation affect temperature?
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Answer

  1. The amount of insolation decreases from the equator towards the poles.
  2. Therefore, the temperature decreases in the same manner.
  3. If the earth’s temperature rises too high, it would become too warm for some crops to grow.
  4. Temperature in cities is much higher than that of villages.
  5. The concrete and metals in buildings and the asaphalt of roads get heated up during the day.
  6. This heat is released during the night.
  7. Further, the crowded high-rise buildings of the cities trap the warm air and thus raise the temperature of the cities.

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