At Which Point During Gestation Does Embryological Development of the Hard

question 22

Multiple Choice

At which point during gestation does embryological development of the hard palate and velum typically begin?

• A)3 weeks
• B)7 weeks
• C)9 weeks
• D)3 months
• E)12 weeks

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Definitions:

CFCs

Chlorofluorocarbons, a group of odorless manufactured chemicals that damage the Earth's ozone layer and have been phased out in many applications due to environmental concerns.

Mean Surface Temperature

The average temperature of a planet's surface, calculated from a wide range of locations and times, indicative of its climate health.

Ozone

A molecule composed of three oxygen atoms, known for its role in absorbing ultraviolet solar radiation in the stratosphere, thus protecting the earth from harmful UV rays.

Climate Models

Computational or mathematical simulations that project the Earth's future climate conditions based on various atmospheric and oceanic variables.