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Author Question: What characterizes deep ocean sediments? a. The sediments are well-sorted due to high energy ... (Read 63 times)

washai

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on: Aug 22, 2018

What characterizes deep ocean sediments?
  a. The sediments are well-sorted due to high energy fluctuations
  b. The sediments are well-sorted due to low energy fluctuations
  c. The sediments are poorly sorted due to high energy fluctuations
  d. The sediments are poorly sorted due to low energy fluctuations



Question 2

What is one reason diatomaceous earth is economically valued?
  a. It can be used as a fossil fuel alternative.
  b. It can be used for various filtration systems.
  c. It can be broken up for gravel and used as building materials.
  d. It demonstrates the presence of marine snow.



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ngr69

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Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: B
Well-sorted sediments are those composed of mostly one size of particle and are common in the deep
ocean. Sorting is a function of the energy in an environment. Well-sorted sediments are found in areas
with limited energy. Poorly formed sediments are found in areas where there is a lot of energy in the
form of waves, tides, and currents. Information can be found in the section Sediments May Be
Classified by Particle Size.



Answer to Question 2

ANS: C
Diatomaceous earth has many uses to humans. It is mined for use in flat paints, pool filters, and
polishes to name a few. Information can be found in the section Pelagic Sediments Vary in
Composition and Thickness



washai

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Reply #2 on: Aug 22, 2018
Thank you!


ngr69

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Reply #3 on: Aug 22, 2018
Always glad to help...


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