Biology, 16.09.2019 23:10, hannahhoops12

Trace elements are those required by an organism in only minute quantities. which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants? a) calcium b) iodine c) sodium d) phosphorus

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Trace elements are those required by an organism in only minute quantities. which of the following i...