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Author Question: Which of the following products is NOT made from petroleum? A) plastics B) detergents C) ... (Read 67 times)

debasdf

  • Hero Member
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  • Posts: 570
on: Aug 27, 2018
Which of the following products is NOT made from petroleum?
 
  A) plastics
  B) detergents
  C) perfumes
  D) tires

Question 2

A piece of cloth is dated using carbon-14. The cloth is determined to be 1400 years old. The half-life of C-14 is 5730 years. The C-14 radioactivity in the cloth will be ________ the radioactivity in a new cloth.
 
  A) greater than
  B) the same as
  C) less than
  D) Radioactivity cannot be predicted from the above information.


Bsand8

  • Sr. Member
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  • Posts: 327
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

C


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