World Geography
The thickness of biosphere is

5-8 km above the earth's surface
8-10 km above the earth's surface
5-10 km above the earth's surface
10-12 km above the earth's surface

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World Geography
Which among the following pairs of weathered landforms is/are not correctly matched?Etchplain – A plain where the bedrock has been subject to considerable subsurface weatheringFlared slope – Small to large indentations in vertical to steeply sloping granular rockSelect the correct code from the options given below:

Neither 1 & 2
Only 1
Only 2
Both 1 & 2

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World Geography
Which among the following statements is/are correct about Dust particles in the Earth’s atmosphere?Higher concentration of dust particles is found in equatorial and polar regionsThey are generally found in the lower layers of the atmosphereSelect the correct code from the options given below:

Neither 1 & 2
Only 1
Both 1 & 2
Only 2

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