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Author Question: The dedicated third wire on a 3-prong plug is connected to A) ground. B) a fuse. C) a ground ... (Read 97 times)

dmcintosh

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on: Jul 27, 2018
The dedicated third wire on a 3-prong plug is connected to
 
  A) ground.
  B) a fuse.
  C) a ground fault interrupter.
  D) the hot wire.

Question 2

You chemically analyze a small sample of a meteorite. K-40 and Ar-40 are present in a ratio of approximately 1.65 units of K-40 atoms to 8.35 units of gaseous Ar-40 atoms.
 
  How old is the meteorite given the half-life of this decay is 1.25 billion years?
  A) 1.25 billion years
  B) 5.00 billion years
  C) 2.75 billion years
  D) 3.25 billion years


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lkoler

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


dmcintosh

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

parshano

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Reply 3 on: Yesterday
Excellent

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