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Author Question: How do researchers today routinely determine the depth of the water to the seafloor? A) ... (Read 42 times)

Tazate

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  • Posts: 532
on: Jul 16, 2018
How do researchers today routinely determine the depth of the water to the seafloor?
 
  A) Ship-mounted gravimeters
  B) A weighted roped or cable
  C) High-resolution multibeam instruments
  D) Laser reflector systems linked to satellites

Question 2

What is the speed of sound waves in water?
 
  A) 1,500 m/sec
  B) 5,000 m/sec
  C) 3,200 m/sec
  D) 10,994 m/sec


karlss

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  • Posts: 321
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


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