> In fact, biological systems produce no metals
replyI'm going to be very pedantic and point out a counterexample: https://en.wikipedia.org/wiki/Scaly-foot_gastropod
Is greigite a metal? It is definitely a more interesting mineral, I'll give you that.
replyThe most abundant elements are the ones biology works with (except for Helium ).
replyIodine? Molybdenum? Cobalt?
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