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Author Question: What is a gyre? a. A type of vertical circulation b. A circular flow of water around the periphery ... (Read 380 times)

809779

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on: Aug 22, 2018

What is a gyre?
  a. A type of vertical circulation
  b. A circular flow of water around the periphery of an ocean basin
  c. A type of thermohaline current
  d. A type of current along the western margins of ocean basins



Question 2

What prevents North Atlantic Deep Water from moving on a large scale like the Antarctic Bottom
  Water?
  a. The density of the water
  b. The topography of the basin
  c. The composition of the sediments
  d. The salinity of the water



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bigsis44

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

ANS: B
Continents and basins topography makes the continuous flow of water impossible. These features
deflect moving water in circular patterns. The flow around the edges of an ocean basin is a gyre.
Information can be found in the section Surface Currents Are Driven by the Winds.



Answer to Question 2

ANS: B
The topography of the ocean basin hinders the North Atlantic Deep Water from moving much farther
than the isolated area it resides in. There are some channels that the water uses to escape through.
Information can be found in the section Thermohaline Circulation Affects All the Ocean's Water.



809779

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Reply 2 on: Aug 22, 2018
:D TYSM

daiying98

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Reply 3 on: Yesterday
Excellent

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