According to a Study Conducted by the National Academy of Sciences

question 4

True/False

According to a study conducted by the National Academy of Sciences, a uniform standard imposed on motor vehicles would be more cost-effective than a two-tiered standard.

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Definitions:

Contentment

A state of happiness and satisfaction, often resulting from achieving what one desires or values.

Distress

A negative emotional state resulting from perceived threats, challenges, or harm, often leading to discomfort or pain.

Age

The length of time that a person has lived or a thing has existed, often used as a measure of maturity, development, or lifespans.

Central Nervous System

Brain and spinal cord.