World Geography
Which among the following statements is/are correct about the stratosphere?The Stratosphere is the layer of the Earth’s atmosphere which lies beyond the mesosphere.It extends up to an altitude of 50 kilometres from the earth’s surface.This layer is ideal for flying aeroplaneSelect the correct code from the options given below:

Only 1 & 2
Only 2 & 3
Only 1
1, 2 & 3

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World Geography
The Mistral is

All of these
swift, dry, cold northerly wind that blows down from the western Alps and the plateau of Southern F
very cold wind, which blows down from the plateau of central France
wind that blows for 100 days a year and may cause extensive frost damage to plants

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World Geography
The process of weathering results into

the addition of specific atoms or compounds to the weathered surface
All of these
the complete loss of particular atoms or the compounds from the weathered surface
a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock

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