miércoles, 1 de diciembre de 2010

Summary # 4/ Cycles of Life.

Cycles of Life


This topic was about the Water Cycle,It evaporates, Condenses, and moves from one part of the environment to another.In other words the water is recycled.Another Cycle of this topic is the Carbon Cycle, this Cycle is the continous transfer of carbon between the living things and the atmosphere.One of the elements that make up all the living things is carbon. Nature recycles carbon, and it is used by all organisms.There is also anoither cycle that is called the Nitrogen Cycle, that is the transfer of nitrogen from the atmosphere to plants and back to the atmosphere and directly to into plants again.The Nitrogen Cycle is the way nitrogen moves between the air, soil, plants, and animals.










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