Author Question: The percentage of oxygen is the crusts is ________ than that in the atmosphere. A) the same as B) ... (Read 59 times)

awywial

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The percentage of oxygen is the crusts is ________ than that in the atmosphere.
 
  A) the same as B) less than C) greater than

Question 2

Describe how anthropogenic activity may influence both the troposphere and the stratosphere.
 
  What will be an ideal response?



kbennett34

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Answer to Question 1

C

Answer to Question 2

Troposphere: various types of pollution; Stratosphere: ozone depletion.



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