In Which Week of Prenatal Development Does Facial Development Begin

question 15

Multiple Choice

In which week of prenatal development does facial development begin in the embryo?

• A) Second
• B) Fourth
• C) Fifth
• D) Eighth

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Definitions:

Pollution

The contamination of air, water, or soil by substances that are harmful to living organisms.

Pigouvian Tax

A tax imposed on any market activity that generates negative externalities, intended to correct the market outcome by internalizing the costs of the externality.

Marginal Social Cost

The complete expense incurred by society to produce an extra unit of a good or service, encompassing both individual costs and external impacts.

Marginal Social Benefit

Marginal social benefit is the additional gain to society as a whole from an additional unit of a good or service.