Roughly How Many of the Approximately 4 Million People Living

question 37

Multiple Choice

Roughly how many of the approximately 4 million people living in the United States in 1790 were people of African descent?

• A)1,000,000
• B)750,000
• C)500,000
• D)250,000

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Definitions:

Iron Sulfide

A chemical compound consisting of iron and sulfur, often found in the Earth's crust, and used in various industrial applications.

Carbon Monoxide (CO)

A colorless, odorless, and poisonous gas produced by the incomplete burning of carbon-containing fuels.

Protocell

An early, simple, cellular structure that is considered a precursor of true cells, possibly forming the basis for the origin of life.

Organic Molecules

Compounds mainly containing carbon and hydrogen, often including oxygen, nitrogen, and other elements, foundational to life.