Which of the Following Most Accurately Describes Changes in Life

question 2

Multiple Choice

Which of the following most accurately describes changes in life expectancy?

• A) Life expectancy was relatively low until 1750, when it increased extremely rapidly.
• B) Life expectancy has increased steadily during the past 6,000 years.
• C) Life expectancy was low until after World War II, when it increased very quickly.
• D) Life expectancy has exhibited significant cyclical patterns of growth and decline.

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Definitions:

Floodplain

An area of relatively smooth land adjacent to a stream channel that is intermittently flooded when the stream overflows its banks.

Sedimentation

The process by which material is deposited by wind, water, or ice, often resulting in layers of sediment that can eventually form sedimentary rocks.

Stream Channel

A stream channel is the physical confinement of a river or stream, composed of a bed and banks, which directs the flow of water.

Theory of Reasoned Action

A theory that predicts individuals' behavioral intentions and actions based on their attitudes toward the behavior and subjective norms.