Students do not lose the course who set out to reach, I talk about to you young students. It is even much to do, Rome I do not build myself in seven days, nor precious Israel in a year. For it he is needed time and perseverancia. 3 2007 Jose Orlando Melo Naranjo He is advisable to write down the concept that we have about the water, since science and the technology advance of a elevamente amazing way. What caused that the future generations own another concept of this chemical compound, considering that the water will be origin of fights between the nations, because of the shortage. As a result of little it brings back to consciousness environmental that we own the thinking and rational men. Of the water we know that it is a chemical compound of hydrogen and I oxygenate. That one is in the nature in liquid state, solid and gaseous, is colorless, odorless and insipid.
To the atmospheric pressure of 760mm, over 0 degrees Celsius are liquid. To 0 c is solidified transforming itself into ice, 100c enters boiling transforming itself into steam, when it forms great masses acquires a greenish color, it refracts the light, and it dissolves many substances. It forms rains, the sources, the rivers and the seas. Who wishes to get to be a true scientist will have to know how in that moments he can make use of such knowledge, with the purpose of to benefit to others like a itself. Which is not a speculation and if a clear and evident reality. They observe what our old thinker made pre-Socratic: He will mention what one talks about To Such of Mileto if to the energy a same amount is added to him, positive or negative the equality subsists. if to a part of the energy of the universe or to all the energy of the universe a negative or positive amount is added to him, the equality subsists.
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