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Author Question: What partly explains the seabed topography we observe? a. The jostling due to plate tectonics. b. ... (Read 211 times)

newyorker26

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on: Aug 22, 2018

What partly explains the seabed topography we observe?
  a. The jostling due to plate tectonics.
  b. The greater density of continental lithosphere.
  c. The presence of continental margins.
  d. The little interaction with the asthenosphere.



Question 2

John Murray was an oceanographer who sailed on the HMS Challenger between 1872 and 1876 and he
  completed the following
  a. Edited 50 volumes that resulted from the HMS Challenger expedition
  b. Used satellites to pinpoint his position along his expedition
  c. Discovered deep sea vents
  d. Provide evidence of chemosynthesis



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chevyboi1976

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

ANS: A
The jostling of the plates and isostatic equilibrium affects the topography of the ocean floor.
Information can be found in the section Ocean-Floor Topography Varies with Location



Answer to Question 2

ANS: A
Sir John Murray was a distinguished oceanographer who edited 50 volumes from the HMS Challenger
expedition that occurred from 1972- 1976, well before the discovery of plate tectonics, hydrothermal
vents, chemosynthesis and satellite technology. Information can be found in the section Insights to a
National Geographic Explorer.



newyorker26

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Reply 2 on: Aug 22, 2018
YES! Correct, THANKS for helping me on my review

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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