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Author Question: A stable ecosystem is one that is not undergoing change. Indicate whether the statement is true ... (Read 6 times)

Yi-Chen

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on: Jul 14, 2018
A stable ecosystem is one that is not undergoing change.
 
  Indicate whether the statement is true or false

Question 2

Which is TRUE of the amount of CO2 in our atmosphere?
 
  A) The level of CO2 increased at the rate of 1.1 per year from 1990 to 1999.
  B) The level of CO2 has been much higher during the past 800,000 years than it is now.
  C) CO2 is the most abundant gas in the atmosphere.
  D) The level of CO2 has been decreasing at the rate of 3.1 per year since 2000.


Yixagurpuldink

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

FALSE

Answer to Question 2

A


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