At the End of the 20th Century ____ Percent of Americans

question 16

Multiple Choice

At the end of the 20th century ____ percent of Americans lived in large metropolitan areas.

• A)50
• B)60
• C)70
• D)80
• E)90

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Definitions:

Hypertonic Dehydration

A condition resulting from the loss of water exceeding the loss of electrolytes, leading to a high concentration of solutes in the blood.

Immunization

The process by which an individual's immune system becomes fortified against an agent (known as the immunogen).

Hepatitis B Vaccine

A biological preparation that provides active acquired immunity to hepatitis B.

Cleft Lip

A congenital deformity where there is a physical split or separation of the upper lip, which can affect the appearance and function of the mouth.