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Water is the most important substance in our evolution and our daily lives. Without water,
life as we know it would not have been possible. This essay will examine the water molecule
in order to ascertain how it brought about Earth's thriving ecosystem and how important it
is to us today.
Each water molecule consists of one oxygen atom and two hydrogen atoms. The oxygen atom (or the apex of the water molecule) bears a slight electronegative charge while hydrogen
possesses a more positive one. Because opposite charges attract, the water molecules are drawn together. When an oxygen atom is linked to a neighboring molecule's hydrogen atom, a bond called a hydrogen bond is formed. In an ice crystal the hydrogen bonds to give the shape of the crystal so that the grid of molecules surrounds relatively to large spaces. In a liquid form, water has no such spaces; so ice is less dense and will float on liquid water. If not for this, great bodies
of water would freeze from the......

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Approximate Word Count: 569
Approximate Pages: 3 (250 words per double-spaced page)

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