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
Only 2
Both 1 & 2
Neither 1 & 2

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World Geography
The rate of infiltration normally declines rapidly during the early part of rainstorm event and reaches a constant value after several hours of rainfall. The factors responsible for this phenomenon are I. the filling of fine soil pores with water, which reduces capillary forces II. moistened soil, clay particles to swell and reduce the size of pores III. raindrop impact breaking up with soil clumps, splashing fine particles into pores

I, III
All of these
I, II
II, III

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