Which of the Following Trends Has Been Observed in the World

question 73

Multiple Choice

Which of the following trends has been observed in the world population in terms of aging?

• A) People aged 65 and older will soon outnumber children under age 5 for the first time in history.
• B) The world's population aged 80 and over is projected to decrease 233% by 2040.
• C) The world's population is growing older, but at a slower rate than it did in comparison with the previous two centuries.
• D) As nations have advanced economically, birthrates have increased in proportion to the growing world population.

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Definitions:

Seasonal Affective Disorder

A type of depression that occurs at a specific time of year, usually in the winter, when there is less natural sunlight.

Depression

A common and serious mood disorder that causes persistent feelings of sadness and loss of interest.

Winter

The coldest season of the year in polar and temperate climates, characterized by short days, long nights, and typically featuring snow, ice, and freezing temperatures.

Biological Clock

An internal mechanism in organisms that controls the cycle of biological processes and behaviors in a roughly 24-hour cycle, known as the circadian rhythm.