Why Are Trace Minerals Difficult to Study

question 41

Multiple Choice

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.

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Definitions:

Cost Of Goods Sold

An accounting term referring to the direct costs attributable to the production of the goods sold by a company.

Ending Inventory

The total value of goods available for sale at the end of an accounting period, becoming the next period's beginning inventory.

Periodic Inventory System

An inventory accounting system where updates to inventory levels are made at specific intervals, such as monthly or annually, rather than continuously.

FIFO

"First In, First Out," an inventory valuation method assuming that the oldest items in inventory are sold or used first.