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Author Question: Modern toothpastes frequently contain fluorides, which help to reduce tooth decay. Indicate ... (Read 45 times)

Ebrown

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on: Aug 27, 2018
Modern toothpastes frequently contain fluorides, which help to reduce tooth decay.
 
  Indicate whether the statement is true or false

Question 2

Which of the following alternative energy sources is not intermittent and does not require energy storage?
 
  A) solar cells
  B) windmills
  C) tides
  D) All of the above are intermittent and requires energy storage.


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tsternbergh47

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

TRUE

Answer to Question 2

D


Ebrown

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Reply #2 on: Aug 27, 2018
Thanks


tsternbergh47

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


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