According to the Centers for Disease Control (CDC), Commonly Recognized

question 12

Multiple Choice

According to the Centers for Disease Control (CDC) , commonly recognized signs of autism are:
1) difficulty with social interaction.
2) problems with verbal and nonverbal communication.
3) repetitive behaviors or narrow, obsessive interests.

• A) 1 and 2 only
• B) 1 and 3 only
• C) 2 and 3 only
• D) 1, 2, and 3

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Definitions:

Positive

In economics, it often refers to statements or propositions that can be tested and validated against real-world data, as opposed to normative, which are value-based.

Infinite

A term used to describe a quantity without bounds or end, often used in mathematics and physics to describe an unquantifiably large magnitude.

Zero

A number representing the absence of any quantity or measure; it is a fundamental concept in mathematics and sciences.

Positive

Referring to a condition or quantity that is more than zero, often associated with good or desirable outcomes.