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Earn 100

Atmospheric air contains _____.
(a)2.1% Argon
(b)0.93% Argon
(c)7.8% Argon
(d)0.03% Argon
(e)None of the above

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Important Questions on Meteorology
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of earths surface is covered with water.

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Give one word for the following.
Gaseous envelope surrounding the earth.

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Beaufort scale is used to determine _____.

