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Author Question: Which of the following marine resources is used to make wallboard or sheet rock? A) Evaporative ... (Read 42 times)

LaDunn

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on: Aug 22, 2018
Which of the following marine resources is used to make wallboard or sheet rock?
 
  A) Evaporative salts
  B) Manganese nodules
  C) Phosphorite
  D) Sand and gravel
  E) Sediments rich in tin

Question 2

Briefly describe the differences between abyssal hills (seaknolls), seamounts, and tablemounts.
 
  What will be an ideal response?


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BUTTHOL369

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

A

Answer to Question 2

Abyssal hills, seamounts, and tablemounts are all volcanic features that occur on abyssal plains on the deep-ocean floor. Abyssal hills, also known as seaknolls, are less than 1,000 meters (0.6 miles) tall and are one of the most abundant features on the planet. Seamounts and tablemounts are volcanic peaks that rise more than 1,000 meters above the ocean floor. Seamounts have conical or pointy tops because they never reached the ocean surface. In contrast, tablemounts are flat-topped because at one time they projected above sea level and were eroded due to wind and waves.


LaDunn

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Reply 2 on: Aug 22, 2018
Excellent

ashely1112

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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