The Vitamin D Hypothesis

question 64

Multiple Choice

The vitamin D hypothesis

• A)helps explain why dark-skinned populations are found near the equator.
• B)has never been challenged.
• C)cannot explain why light skin may be adaptive in low UV environments.
• D)remains the primary hypothesis explaining why skin color lightened as populations moved out of Africa.
• E)helped Pasteur to discover the process of homogenization

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Definitions:

Truth Values

The valuation of a proposition in logic, where it can either be true or false.

Truth Table

A tabular representation that shows the outcome of every possible logical operation for a set of propositions.

Atomic Sentences

A type of sentence that contains no logical connectors and expresses a simple proposition.

Truth Values

In logic, the truth or falsity of a statement, commonly categorized as either true or false.