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:

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

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World Geography
Which among the following statements is/are correct about Petroleum?Petroleum is an inflammable mixture of oily hydrocarbons.Most of the oil comes from synclines rather than anticlines.Select the correct code from the options given below:

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

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World Geography
The temperature inversion is

whenever the normal decrease of atmospheric temperature
All of these
when the decrease in temperature or moisture or both takes place
whenever the normal decrease of atmospheric temperature or moisture or both change with height over

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