Water is the most important elements needed by the body of
the organism an interview that he is almost two thirds of body weight, and is a
component of all cells of the body from the simplest to the most complex, and
the organism can survive without water for more than three days, is not limited
to the use of drinking water but only used in cleaning and making food and
pharmaceutical processes and many other uses, but you take the initiative in
mind what are the stages through which the water of his continued all times.
The stages of the water cycle in nature that water connects
us is only a small part of the total quantity in the world, and the rate
constant does not change, we use this water passed through a series of 'steps
were held for him in his physical exchange: liquid and gaseous, solid,
continuing in these steps as a series of interrelated and sequential start from
a certain point, and then ends. The beginning of the water cycle to the point
of nature vary, if we started from the moment of the waterfall on the surface
of the earth, this water is the form of rain or hail or snow in the case snow
and cold turns from a solid to a liquid state after it dissolves, then
distributed these formed water of the rain, or melting snow, or cold on the floor.
A part of them is on the surface and flooding, and seas and rivers, and flows
into the ocean, and part of the land to feed groundwater that may seep to reach
the ocean or can remain until it is extracted modern mechanisms Part of this
water is absorbed by soil and Temtshaugdhur plants in the soil, and then
evaporation of the water on the surface of tracks in the process of sweating,
and current and static on the water surface of the ground surface exposed to
the evaporation due to higher temperatures, which lead up to the upper layers
of the atmosphere in the form of steam, and the temperature in these layers is
low, causing the condensation of the clouds, the water, then fall as rain or
snow, or cold and the stages of the water cycle begins again. Due to the large
amounts of water to the extent it is necessary to maintain, there is no it
means by which the introduction of water that, therefore, if these quantities
started down can be compensated and cause a threat to human life, there are
those who waste large amounts of water in different uses without warning.
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