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Author Question: The Cretaceous extinction event was uniformly disastrous to all marine and nonmarine organisms. ... (Read 113 times)

s.tung

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The Cretaceous extinction event was uniformly disastrous to all marine and nonmarine organisms.
  Indicate whether the statement is true or false

Question 2

Briefly explain why sand is moved by wind before clay and silt during wind erosion.



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vkodali

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Answer to Question 1

False

Answer to Question 2

Sand grains protrude above the surface and are more easily caught by the wind, while clay and silt grains lie closer to the surface where there is a stationary layer of air, unless this is disturbed.




s.tung

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Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it


tanna.moeller

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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