World Geography
The main percentage of the volume of water in the hydrosphere is in

glaciers and ice sheets
freshwater lakes and water vapours
oceans and seas
groundwaters, rivers and streams

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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, II
II, III
I, III
All of these

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