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Author Question: The approach to the manufacture and use of DDT worldwide is best described as ________. A) ... (Read 83 times)

cnetterville

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on: Jul 14, 2018
The approach to the manufacture and use of DDT worldwide is best described as ________.
 
  A) ecocentric
  B) anthropocentric
  C) focusing on economic externalities
  D) focusing on deep ecological principles
  E) biocentric

Question 2

Which elements are most common in the Earth's crust? What sorts of minerals (i.e., specific families) result from these particularly common elements? What sorts of rocks are most common in the crust as a result?
 
  What will be an ideal response?


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31809pancho

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

B

Answer to Question 2

Answer: The most common elements are oxygen, silicon, aluminum, sodium, calcium, potassium and magnesium. The most common minerals that result from these elements are silicate minerals, including olivines, pyroxenes, amphiboles, micas, feldspars, and quartz. As a consequence, rocks made of these minerals, such as basalt, granite, schist, and quartz sandstone, are very common in the crust.


cnetterville

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Reply 2 on: Jul 14, 2018
Gracias!

bassamabas

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

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