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Author Question: Twenty kilometers is a. 200,000 m b. 20,000 m c. 2,000 m d. 200 m e. 0.02 ... (Read 28 times)

melina_rosy

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  • Posts: 531
on: Jul 28, 2018
Twenty kilometers is
 a. 200,000 m
  b. 20,000 m
  c. 2,000 m
  d. 200 m
  e. 0.02 m

Question 2

How many focal points does a lens have?
 a. None.
  b. One.
  c. Two.
  d. Three.
  e. An infinite number of possible locations.


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Athena23

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

c


melina_rosy

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  • Posts: 531
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

helenmarkerine

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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