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Author Question: Burning coal produces sulfur oxides. Where did the sulfur originate? A) from the photosynthetic ... (Read 109 times)

schs14

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on: Aug 27, 2018
Burning coal produces sulfur oxides. Where did the sulfur originate?
 
  A) from the photosynthetic plants from which the coal was made millions of years ago
  B) from the atmospheric sulfur oxides that photosynthetic plants use to make their amino acids cysteine and methionine
  C) from volcanos that belch sulfur into the atmosphere
  D) from nuclear fusion occurring in stars that exploded billions of years ago

Question 2

Where does the sulfur in fossil fuels come from?
 
  A) the decomposed proteins of ancient plants
  B) the S in foSSils
  C) elemental sulfur in ore deposits
  D) sulfate ions in water sources
  E) all of the above


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dudman123

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

D

Answer to Question 2

A


schs14

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Reply #2 on: Aug 27, 2018
Thanks


dudman123

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


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