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Author Question: Although it is naturally found in the Earth's atmosphere and is essential to life, excess levels of ... (Read 128 times)

tiffannnnyyyyyy

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on: Jul 12, 2018
Although it is naturally found in the Earth's atmosphere and is essential to life, excess levels of what gas contribute to air pollution?
 
  A) carbon dioxide
  B) carbon monoxide
  C) sulphur dioxide
  D) methane

Question 2

All of the following are correct about carbon monoxide EXCEPT
 
  A) it is implicated in indoor air pollution.
  B) it is a common particulate found in groundwater.
  C) it is a byproduct of burning fossil fuels.
  D) it is poisonous to humans and exposure can be fatal.


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sultansheikh

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Reply #1 on: Jul 12, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


tiffannnnyyyyyy

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Reply 2 on: Jul 12, 2018
Thanks for the timely response, appreciate it

Joy Chen

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Reply 3 on: Yesterday
Gracias!

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