Author Question: What device bounces sound waves off the ocean bottom to study the depth and contours of the ... (Read 20 times)

Awilson837

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What device bounces sound waves off the ocean bottom to study the depth and contours of the seafloor?
 A) echo sounder
  B) satellite
  C) bathyscaphe
  D) submersible

Question 2

What allows water to be a polar molecule?
 A) Hydrogen bonds
  B) Adhesion
  C) Surface tension
  D) The angular shape of the molecule



zacnyjessica

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Answer to Question 1

A

Answer to Question 2

D



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