Which of the Following Is a Feature of Vitamin D

question 9

Multiple Choice

Which of the following is a feature of vitamin D synthesis?

• A)Tanning lamps and tanning booths do not stimulate vitamin D synthesis
• B)Sunscreens with sunburn protection factors of 2 and above prevent synthesis of vitamin D
• C)The ultraviolet rays of the sun are able to easily pierce heavy clouds and smog to promote vitamin D synthesis
• D)Dark-skinned people require longer sunlight exposure than light-skinned people to synthesize equivalent amounts of vitamin D

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Definitions:

Average Total Costs

The total cost of production divided by the quantity produced, representing the per-unit cost of production.

Average Variable Costs

The sum of all variable production expenses divided by the amount of output generated.

Average Total Costs

The total of all production costs divided by the number of units produced, summarizing the per-unit cost of production.

MC

The cost added by producing one more unit of a product, crucial in determining the optimal production level for a company.