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Author Question: The oldest rocks on the Moon were formed about how many years ago? a. 1.5 million b. 4.4 million ... (Read 78 times)

newbem

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on: Jul 28, 2018
The oldest rocks on the Moon were formed about how many years ago?
 a. 1.5 million
  b. 4.4 million
  c. 1.5 billion
  d. 4.4 billion

Question 2

A change in the direction of a wave because of a change in the velocity of the wave is called ______________.
 Fill in the blank(s) with correct word


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Edwyer

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

refraction


newbem

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Reply 2 on: Jul 28, 2018
Gracias!

softEldritch

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

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