The Ratio of the Number of People in the Population

question 58

Multiple Choice

The ratio of the number of people in the population aged 65 and older to the number of people aged 20 to 64 has risen in most of the developed countries as:

• A)longevity has declined and the families have had many children.
• B)the family planning laws have been relaxed.
• C)birth rates have increased over time.
• D)there has been an increased preference for male child.
• E)longevity has increased and the families have had fewer children.

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Definitions:

Starter Control Circuit

An electrical circuit that manages the operation of a vehicle's starter motor, enabling the engine to start.

Stator Winding

The stationary coil windings located in an alternator or electric generator, which generate magnetic fields when electric current flows through them.

Wye Winding

A configuration of winding in an electric motor or generator that allows for a balanced distribution of the electrical load.

Delta

A geomorphological feature formed at the mouth of a river, where it diverges into several outlets, or an incremental change in a variable in engineering or science.