World Geography
Which among the following statements is/are correct about Smog?It is formed in urban and industrial areas.It is formed when smoke is mixed with fogSelect the correct code from the options given below:

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

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World Geography
The process of evaporation of water in nature is one of the basic components of the hydrological cycle. The other process that is considered to be essential for the completion of hydrological cycle is the

movement of water vapour in the atmosphere
flow tide and ebb tide in a river
movement of water in the water table
flow of water in the sea

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World Geography
The initial increase of magnetic field in magnetic storms is caused

when there is a large decrease in field intensity
when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
when the gust wind itself engulfs the magnetosphere
None of these

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