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BIOLOGY

JAMB 2012 - Question 29

Biology 2012 JAMB Past Questions - Question 29: The water cycle is maintained mainly by

Choose the most appropriate option for the gap .

The water cycle is maintained mainly by

A: evaporation of water in the environment

B: evaporation and condensation of water in the environment

C: condensation of water in the environment

D: transpiration and respiration in plants

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Correct Answer

Explanation

Water cycle represents all the processes through which water is circulated in nature.It involves continuous evaporation of water from the earth's surface (ie wet soil, several bodies of water like seas, rivers etc into the atmosphere, transpiration in plants and perspiration in animals and the return of the same water to the earth through condensation (cooling of water) and precipitation(as rainfall).