Refer to the Above Diagram

question 209

Multiple Choice

Refer to the above diagram.This production possibilities curve is:

• A)convex to the origin because opportunity costs are constant.
• B)linear because opportunity costs are constant.
• C)concave to the origin because of increasing opportunity costs.
• D)convex to the origin because of increasing opportunity costs.

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Definitions:

Babbling

A stage in child language acquisition where infants produce sounds before they learn to speak actual words, often combining consonants and vowels like "baba" or "gaga".

Cooing

The early vocalization of infants that consists of soft, throaty noises, often made in response to social interaction.

Intonation

The variation of pitch while speaking, which can affect the meaning of words and convey emotion or emphasis.

First Word

The initial stage of verbal expression in infants, marking the beginning of spoken language acquisition.