Why are trace minerals difficult to study?
A)some are required in such small amounts that environmental contamination can obscure experimental results.
B)they are small molecules,that are difficult to identify.
C)they are required in such small amounts that deficiencies do not occur.
D)biological tests are imprecise.

Question

Quizplus · Accepted Answer

Trace minerals are required in very small amounts, and even small amounts of environmental contamination can affect experimental results. This makes it difficult to establish accurate guidelines for optimal intake levels and understand the effects of deficiencies or toxicities.

Why Are Trace Minerals Difficult to Study