World Geography
Who among the following proposed the Tidal Hypothesis of the origin of Earth and Solar system?

Chamberlin-Moulten
Jeans-Jeffreys
Kant-Laplace
Hoyle-Lyttleton

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World Geography
Which among the following statements is/are correct about impact crater?They are formed by the hypervelocity impact of a smaller bodyThe have similar composition like sinkholes, glacial cirques,etcSelect the correct code from the options given below:

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

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