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Author Question: Low-grade ores are undesirable because extracting the metals requires more energy per pound than ... (Read 116 times)

folubunmi

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on: Aug 27, 2018
Low-grade ores are undesirable because extracting the metals requires more energy per pound than high-grade ores.
 
  Indicate whether the statement is true or false

Question 2

Human cells obtain energy by
 
  A) oxidizing carbohydrates.
  B) reducing proteins.
  C) reducing carbon dioxide.
  D) absorbing sunlight.


brbarasa

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

TRUE

Answer to Question 2

A


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folubunmi

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Reply #2 on: Aug 27, 2018
Thank you!


brbarasa

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Reply #3 on: Aug 27, 2018
Always glad to help...


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