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Author Question: Nano materials have been thoroughly tested and shown to be safe, because they are too small to be ... (Read 49 times)

HCHenry

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Nano materials have been thoroughly tested and shown to be safe, because they are too small to be absorbed into cells
 
  Indicate whether the statement is true or false

Question 2

Vulcanization of rubber was discovered by
 
  A) Charles Goodrich.
  B) Charles Goodyear.
  C) Charles Firestone.
  D) Charles Vulcan.



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AngeliqueG

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Answer to Question 1

FALSE

Answer to Question 2

B



HCHenry

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Both answers were spot on, thank you once again




 

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