By About 12 Months, Most Infants __________

question 18

Multiple Choice

By about 12 months, most infants __________

• A) begin to use intonation in their language.
• B) build a vocabulary of one-word phrases.
• C) begin to distinguish, in their language, between themselves and others.
• D) begin to form two- and three-word sentences.

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Definitions:

Price Ranges

The spread between the lowest and highest price at which a good or service is sold in a market.

Price Elasticity

A calculation that shows the impact of price changes on the quantity of a good that is demanded.

Price Increase

A rise in the cost of goods or services, affecting the purchasing power of consumers.

Widgets

A generic term often used to refer to any hypothetical manufactured good or product.