<span>After 1 half-life, 1/2 the sample has decayed. After 2 half-lives 3/4 of the matter has decayed. So after, 3 half-lives about 11/12 would have decayed.</span>
Smaller and simpler molecules many carbon compounds<span> are built up from. ... Carbon will bond with lots of stuff so there is more atoms forming the molecules. </span>How do inorganic and organic compounds differ<span>? </span>Organic compounds<span> are made primarily of carbon atoms.
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