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wqeywqorwerh wqeywqorwerh
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6 years ago
Over the past 100 years, population IQ scores have
 
  a. remained about the same.
 b. decreased about 3 points per decade.
  c. increased about 3 points per decade.
 d. doubled.
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BRaines92BRaines92
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6 years ago
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wqeywqorwerh Author
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6 years ago
You make an excellent tutor!
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
Thanks for your help!!
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