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, II
I, III
II, III

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World Geography
What is the weight of actual amount of water vapour present in unit volume of air called?

Absolute Humidity
Relative Humidity
Specific Humidity
Condensation

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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
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
All of these

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