Selasa, 13 Maret 2012

Water Cycle

Ririn Nur
Water cycle is the movement process of water from atmosphere to the earth. Water in the atmosphere is the result of evaporation from land and ocean by solar energy. Evaporation is then exeeded with precipitation, a net movement of water vapor to clauds and forming rain drops to the earth.
Water on the earth evaporates atmosphere influenced by the heat of sun. Part of the rain fell into earth is absorbed by plants, drung by animals, and used by human for their life. The rest of the water flows to the rivers, lakes and groundwater. Finally, the water will flow o the sea. In life, plants, animals, and human release water to the atmoshere through respiration and excretion (sweat and urine).

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