Monday, December 7, 2009

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Water for Life


More than one billion people worldwide do not have access to drinking water. Take unsafe water sanitation and this circumstance causes disease and death. According to the UN every day 6000 children die from diseases caused by consumption of unsafe water.
United Nations stated that "everyone has the right to water and this law is a prerequisite for all others."


A planet called Water

Earth is the only planet in the solar system has water in 3 states. The waters covering 70% of the Earth's surface and the average depth of the oceans is 3800 meters. The problem is that almost all water Earth is salty.
Of all the water on the planet less than 1% can be utilized by mankind (groundwater, rivers and lakes).



water in living

The importance of water for life is that:

- is the major component of living things. represents 65% of the weight of an adult.
- is the principal biological solvent. acts as a transport of substances in our body.
- Provides an appropriate way to many reactions that characterize life.
- Help keep our body temperature constant.



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