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Author Question: What substance accounts for more than half of the human-generated greenhouse gases? A) ... (Read 67 times)

viki

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on: Jul 14, 2018
What substance accounts for more than half of the human-generated greenhouse gases?
 
  A) chlorofluorocarbons
  B) carbon dioxide
  C) methane
  D) nitrous oxide
  E) ozone

Question 2

Sketch and describe the three kinds of tectonic plate boundaries. What causes their differences?
 
  What will be an ideal response?


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dyrone

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

B

Answer to Question 2

There are three types of boundaries. Convergent plate boundaries exist where two or more plates come togetherthese are also known as subduction zones when one plate overrides the other. Divergent plate boundaries exist where two or more plates are moving apart. Transform plate boundaries exist where two plates are sliding' past one-another.


viki

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Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it

sailorcrescent

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Reply 3 on: Yesterday
Excellent

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