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Author Question: Atmospheric scientists often measure gases in parts per million by weight (ppm). If CO2 is currently ... (Read 55 times)

Bob-Dole

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on: Jul 16, 2018
Atmospheric scientists often measure gases in parts per million by weight (ppm). If CO2 is currently 0.04 of the atmosphere, the level expressed in parts per million is
 
  A) 4 ppm.
  B) 4000 ppm.
  C) 400 ppm.
  D) 0.004 ppm.

Question 2

In preparation for the construction of a new large subdivision, over 500 acres of hilly forest are cleared. In this cleared region, we will expect that
 
  A) more species of birds and insects will inhabit the region.
  B) a drainage system and landscaping will need to be designed to limit erosion.
  C) the overall productivity of the region will increase.
  D) the levels of carbon dioxide in the air will sharply decline.


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mjbamaung

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Reply #1 on: Jul 16, 2018
Answer to Question 1

C

Answer to Question 2

B


Bob-Dole

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Reply #2 on: Jul 16, 2018
Thank you :)


mjbamaung

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Reply #3 on: Jul 16, 2018
Happy to help you


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