mention the four major elements of life
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Scientists believe that about 25 of the known elements are essential to life. Just four of these
carbon (C), oxygen (O), hydrogen (H) and nitrogen(N) – make up about 96% of the human body.
carbon (C), oxygen (O), hydrogen (H) and nitrogen(N) – make up about 96% of the human body.
Rits88:
thank q so much sir..
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