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Author Question: The most useful way to measure seafloor depth is to ____. A)measure the time it takes for sound ... (Read 80 times)

stock

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on: Jul 13, 2018
The most useful way to measure seafloor depth is to ____.
 A)measure the time it takes for sound waves to travel from a ship to the seafloor and back
 B)use an energy source to produce strong waves that will reflect from the seafloor and layers beneath the seafloor
 C)use a very long line with a weight attached
 D)make trips to the seafloor in modern submersibles
 E)extrapolate depth from temperature and pressure changes

Question 2

Regional metamorphism is confined to convergent plate margins.
  Indicate whether the statement is true or false


parker125

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Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

False


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