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Author Question: Scientists know that the outer core of the Earth is liquid because S waves have not survived travel ... (Read 74 times)

cartlidgeashley

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on: Aug 22, 2018
Scientists know that the outer core of the Earth is liquid because S waves have not survived travel through the Earth's interior.
  Indicate whether the statement is true or false

Question 2

Radioactivity is produced only in nuclear reactors.
  Indicate whether the statement is true or false


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cuttiesgirl16

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

true

Answer to Question 2

false


cartlidgeashley

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Reply 2 on: Aug 22, 2018
:D TYSM

olderstudent

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Reply 3 on: Yesterday
Excellent

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