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Author Question: The percentage of oxygen is the crusts is ________ than that in the atmosphere. A) the same as B) ... (Read 22 times)

awywial

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on: Jul 14, 2018
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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Reply #1 on: Jul 14, 2018
Answer to Question 1

C

Answer to Question 2

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


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