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Author Question: The idea of base level refers to A) an evolutionary cycle of landscape development from fluvial ... (Read 33 times)

kamilo84

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on: Jul 14, 2018
The idea of base level refers to
 
  A) an evolutionary cycle of landscape development from fluvial action.
  B) the amount of discharge in a particular reach of a stream.
  C) a level below which a stream cannot erode its valley.
  D) the stream gradient.
  E) the average height of a stream channel.

Question 2

The residence time of carbon dioxide (CO2 ) is
 
  A) 50 to 200 years.
  B) approximately 90 days.
  C) 45 days.
  D) 50,000 years.
  E) 12 years.


jaygar71

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

C

Answer to Question 2

A


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