Thickness of troposphere at the poles is _______.

8 km

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12 km

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14 km

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16 km

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Solution

The correct option is C 8 km
At the poles, the thickness of the troposphere varies from $7 k m - 8 k m$ whereas at the equator the thickness varies from $16 k m - 18 k m$ . Also according to the season, it varies in height. When the air is densest it is thinner in winter.
Hence, the correct option is (A).

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List-I	List-II
(a) $10 km$ height over earth's surface	(i) Thermosphere
(b) $70 km$ height over earth's surface	(ii) Mesosphere
(c) $180 km$ height over earth's surface	(iii) stratosphere
(d) $270 km$ height over earth's surface	(iv) Troposphere

Which of the following statements is true:

A.The troposphere is thinner at the poles

B.The troposphere is thicker at the poles

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