How Much Did the World's Population Increase During the Twentieth

question 65

Multiple Choice

How much did the world's population increase during the twentieth century?

• A)Not at all-it stayed about the same.
• B)It doubled.
• C)It tripled.
• D)It quadrupled.

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Definitions:

Lordosis

A curvature of the spine inward, leading to an exaggerated lumbar region.

Kyphosis

A spinal condition characterized by an excessive outward curve of the spine, leading to a hunchback or slouching posture.

Scoliosis

A medical condition where the spine curves sideways, often resulting in an "S" or "C" shaped curvature.

Spina Bifida

A birth defect where there is incomplete closing of the backbone and membranes around the spinal cord.