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, II
II, III
All of these
I, III

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World Geography
Which among the following period in the demographic history of India is called the Period of Stable Population?

1981 to Present
1891 to 1921
1921 to 1951
1951 to 1981

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World Geography
The three recognized major fishing grounds of the world are located in the

northern hemisphere only
one in the southern hemisphere only and two in the northern hemisphere
southern hemisphere only
two in the southern hemisphere only and one in the northern hemisphere

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World Geography
The modern theory of plate tectonics states

that the oceanic crust is destroyed at areas where this crust type becomes subducted under the light
All of these
the creation of oceanic crust and the drifting of continents
the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid

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