World Geography
The umbra is

None of these
formed by tangents to the sun and moon
both (a) and (b)
the inner portion of the moon's shadow

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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

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

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World Geography
The process of weathering results into

the addition of specific atoms or compounds to the weathered surface
a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock
All of these
the complete loss of particular atoms or the compounds from the weathered surface

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World Geography
Which among the following statements is/are correct about the wind directions?The Easterly winds blow from east to westThe Westerly winds  blow from west to eastSelect the correct code from the options given below:

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

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