Some Fear a Serious Deterioration of the Biological Quality of the Human

question 49

Multiple Choice

Some fear a serious deterioration of the biological quality of the human population because:

• A) intelligent individuals will choose careers over family, leaving the less advantaged and less educated to bear the majority of children.
• B) the birth rates are declining, meaning the chances of healthy offspring are decreasing.
• C) the birth rates are increasing, meaning the available talent of a society is being spread more thinly.
• D) of the limited interchange between people with different enough genes.

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Definitions:

Ocean Waves

Rhythmic movements of the water in oceans and seas, often caused by wind or geological factors.

Ultraviolet Radiation

A form of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, capable of producing sunburn.

Tides

The regular rise and fall of sea levels caused by the gravitational forces exerted by the Moon and the Sun on the Earth's oceans.

Exposed Rock

Areas where bedrock, or the solid rock underlying loose deposits such as soil, is visible on the surface without any vegetation or soil covering it.