In 2007, the Ratio of Unmarried Males Age 65 and Over

question 29

True/False

In 2007, the ratio of unmarried males age 65 and over to unmarried females age 65 and over was about 44.3.

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Definitions:

Usable Energy

Energy in a form that can be directly applied to perform work or be processed into a form suitable for human needs, such as electricity or mechanical power.

Energy Transformation

The process of converting energy from one form to another, such as kinetic energy to electrical energy, fundamental to various natural phenomena and technologies.

Low-Quality Heat

Thermal energy that is at a temperature unsuitable or inefficient for conversion into work or other high-value energy forms.

Physical Laws

Fundamental principles that describe and predict the conditions under which physical events occur, usually expressed in mathematical form.