Which Percentage of the U

question 47

Multiple Choice

Which percentage of the U.S.population live in areas with dangerous levels of air pollution?​ 

• A) ​less than 10 percent 
• B) ​about 30 percent 
• C) ​more than 50 percent 
• D) ​less than 20 percent 
• E) ​nearly 90 percent

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Definitions:

Preparation Stage

A phase in various processes where planning and arrangements are made before the actual activity or implementation occurs.

Graham Wallas

A social psychologist and co-founder of the London School of Economics, known for his work on creativity and the thought process.

Graham Wallas

A British psychologist and educationalist who contributed to the understanding of creative processes and political psychology.

Verification

The act of confirming the authenticity, correctness, or legitimacy of something.