At Age 6,the Average Child Knows About ____ Words,but by Age

question 223

Multiple Choice

At age 6,the average child knows about ____ words,but by age 10 or 11,this sum has increased fourfold,to about ____.

• A) 1,000; 4,000
• B) 5,000; 20,000
• C) 10,000; 40,000
• D) 15,000; 60,000

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Definitions:

Organic Reaction

A chemical reaction involving organic compounds, where these compounds are typically based on carbon.

Diels-Alder Reactions

A chemical reaction between a conjugated diene and a dienophile to form a cyclohexene derivative.

Cyclopentadiene

A cyclical diolefin molecule known for its unique reactivity, utilized in Diels-Alder reactions, and producing polymers and resins.

1,3-Butadiene

An organic chemical compound that is a colorless gas with a mild gasoline-like odor, used in the production of synthetic rubber and polymers.