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Author Question: The first scientific expedition to use an echo sounder was the ____. A) Challenger expedition B) ... (Read 89 times)

colton

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on: Aug 22, 2018
The first scientific expedition to use an echo sounder was the ____.
 A) Challenger expedition
  B) Meteor expedition
  C) United States Exploring expedition
  D) voyage of Trieste

Question 2

The pycnocline isolates the majority of the world ocean from:
 A) heating and cooling brought on by solar energy fluctuations.
  B) wind driven circulations.
  C) light.
  D) All of these choices conditions.


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Ddddd

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

B

Answer to Question 2

D


colton

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Reply #2 on: Aug 22, 2018
TY


Ddddd

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Reply #3 on: Aug 22, 2018
You're welcome


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