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22 May, 13:18

About 25 of the 92 natural elements are known to be essential to life. which four of these 25 elements make up approximately 96% of living matter?

a. carb

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  1. 22 May, 14:33
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    There are 25 elements out of natural elements which are essential to life however the following four elements make 96% living material

    a) carbon

    b) hydrogen

    c) oxygen

    d) nitrogen

    It is quite obvious that living matter is made up of organic compounds mainly, and organic compounds mainly have C, H, N and O
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