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Author Question: Choose the option that puts the following steps in the correct sequence. 1. An electric sensor ... (Read 39 times)

maegan_martin

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on: Jul 16, 2018
Choose the option that puts the following steps in the correct sequence.
 
  1. An electric sensor records the signal's travel time. 2. A transducer changes the signal into a thump on the rock. 3. An electrical signal is delivered. 4. The wave travels through the rock.
  A) 4, 2, 3, 1
  B) 3, 4, 1, 2
  C) 3, 2, 4, 1
  D) 4, 1, 2, 3

Question 2

Which property of waves has been most important in allowing seismologists to identify the boundaries of the inner core/outer core and the outer core/mantle?
 
  A) wave reflection
  B) wave amplitude
  C) wave velocity
  D) wave refraction


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EAN94

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

Answer: C

Answer to Question 2

Answer: D


maegan_martin

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Reply 2 on: Jul 16, 2018
Wow, this really help

kjohnson

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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