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Author Question: Why can't the carbon dioxide cycle easily correct for the increasing amounts of carbon dioxide ... (Read 169 times)

LCritchfi

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on: Jul 27, 2018
Why can't the carbon dioxide cycle easily correct for the increasing amounts of carbon dioxide introduced into our atmosphere by industrialization?
 
  A) it operates far too slowly to correct for any short-term changes
  B) pollution has stopped the carbon dioxide cycle from operating
  C) the carbon dioxide cycle only influences carbon dioxide produced by natural sources
  D) it operates far too quickly to correct for any short-term changes

Question 2

The distance between the object and the eyepiece of a compound microscope is 18.0 cm. The focal length of its objective lens is 0.80 cm and the eyepiece has a focal length of 2.3 cm.
 
  The near-point distance of the person using the microscope is 25.0 cm. What is the total magnification of the microscope?
  A) -120
  B) -184
  C) -200
  D) -360
  E) -480


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upturnedfurball

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

A

Answer to Question 2

C


LCritchfi

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Reply #2 on: Jul 27, 2018
Thanks


upturnedfurball

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Reply #3 on: Jul 27, 2018
Welcome :)


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