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Author Question: The white areas in a black-and-white positive print contain A) silver metal. B) no silver metal. ... (Read 148 times)

moongchi

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on: Aug 27, 2018
The white areas in a black-and-white positive print contain
 
  A) silver metal.
  B) no silver metal.
  C) fixer.
  D) silver salts.

Question 2

The earth's mantle is primarily composed of carbonates.
 
  Indicate whether the statement is true or false


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brittrenee

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

B

Answer to Question 2

FALSE


moongchi

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Reply 2 on: Aug 27, 2018
Gracias!

xiaomengxian

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

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