The MOST recent research has provided evidence that the primary causes of autism spectrum disorder include:

A) brain abnormalities.
B) personality characteristics of the parents.
C) social status.
D) environmental stress.

Ans: A) brain abnormalities.

Psychology

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Early in midlife, what percentage of adults still has two living parents?

A) 25 B) 50 C) 70 D) 90

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Many people mistakenly believe that "genetic" is a synonym for:

A) inherited. B) natural. C) unchangeable. D) inborn.

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