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Home Q & A Board Science-Related Homework Help Physics Astronomy
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riiiiooottt riiiiooottt
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6 years ago
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

Question 3

The search for life in the solar system that is similar to life on Earth is essentially a search for
 
  A) organic molecules
  B) liquid water
  C) molecular oxygen
  D) energy sources

Question 4

Why does light seem to go straight through an open doorway whereas sound seems to spread out when it goes through the same doorway?
 
  What will be an ideal response?
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RANDAWOORANDAWOO
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6 years ago
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riiiiooottt Author
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6 years ago
Thanks
fxinternational
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Yesterday
You make an excellent tutor!
dedricgard
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2 hours ago
Just got PERFECT on my quiz
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