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Chemical Basis of Life
Essay specific features
Written by:
Marcel T
Date added:
July 8, 2013
Level:
University
Grade:
A
No of pages / words:
3 / 808
Was viewed:
3815 times
Rating of current essay:
Essay content:
(Physical things)
? The various forms of matter are composed of one or more chemical elements.
Element: A pure substance that cannot be broken down into smaller substances by chemical means
? There are 25 elements are essential to life. Four of these elements are Oxygen (O), Carbon (C), Hydrogen (H), and Nitrogen (N)...
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Four of these elements are Oxygen (O), Carbon (C), Hydrogen (H), and Nitrogen (N). These make up about 96% of the living matter in your body. Calcium (CA), Phosphorus (P), Potassium (K), sulfur (S), and a few other elements account for most of the remaining 4%.
Trace Elements: elements that make up less that 0...
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