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Author Question: The invention of the __________ enabled the fourth social revolution. a. adding machine b. ... (Read 27 times)

PhilipSeeMore

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on: Jul 2, 2018
The invention of the __________ enabled the fourth social revolution.
 
  a. adding machine
  b. microchip
  c. abacus
  d. sewing machine

Question 2

The problem with intelligence tests is that __________.
 
  a. they are too hard
  b. they test not only IQ but also acquired knowledge
  c. not everyone takes them so we can't make reliable comparisons
  d. they keep changing all the time


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xMRAZ

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Reply #1 on: Jul 2, 2018
Answer to Question 1

b

Answer to Question 2

b


PhilipSeeMore

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Reply 2 on: Jul 2, 2018
Great answer, keep it coming :)

JCABRERA33

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Reply 3 on: Yesterday
Gracias!

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