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UPSC CSE Prelims
2011
Q50 — Science & Technology

UPSC CSE Prelims 2011 Q50 — Science & Technology PYQ with Answer

2011Q50·Science & Technology·Physics

The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid.

What is the reason ?

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Recently, the USA decided to support India's membership in multi-lateral export ...

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A sandy and saline area is the natural habitat of an Indian animal species. The ...

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