The Trace Minerals Are Difficult to Study in Humans Because

question 64

Multiple Choice

The trace minerals are difficult to study in humans because:

• A)some of them are required in such small amounts that environmental contamination can obscure experimental results.
• B)they are so small,they are difficult to identify.
• C)they are required in such small amounts that deficiencies do not occur.
• D)biological tests are imprecise.

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Net Income

The amount of profit a company generates after accounting for all expenses, taxes, and costs.

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