Multiple choice

What is water cycle?

A biogeochemical cycle occurs by decomposition of vegetations and incorporation of minerals naturally in humus for future development of plants. Circulation of chemical elements such as carbon, oxygen, nitrogen, phosphorus, calcium, and water, etc., through biological and physical world are called biogeochemical cycle.

  1. It is the movement of water within the atmosphere.

  2. It is a group of processes where water is moved between living systems.

  3. It is the movement of water through the lithosphere, hydrosphere, and biosphere.

  4. It is the constant movement of water on, above and below the surface of the earth.

  5. It is the cycle by which water can be reused throughout the biosphere.
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D Correct answer
Explanation

Water cycle is the constant movement of water on, above and below the surface of the earth. In the different places of water cycle, water can alter its states among liquid, vapours and ice. Here the water is moved from one reservoir to other like from river to ocean, or it may be from ocean to the atmosphere by some physical processes such as evaporation, condensation, precipitation, infiltration and subsurface flow. It exchanges heat energy resulting in alteration of temperature

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