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Author Question: Radio waves are reflected by which of the following ion layers? a. C b. D c. F d. ... (Read 90 times)

Coya19@aol.com

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on: Jul 28, 2018
Radio waves are reflected by which of the following ion layers?
 a. C
  b. D
  c. F
  d. A

Question 2

The diameter of an average nucleus is about
 a. 10-5 m.
  b. 10-7 m.
  c. 10-10 m.
  d. 10-14 m.


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allisonblackmore

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

c

Answer to Question 2

d


Coya19@aol.com

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Reply 2 on: Jul 28, 2018
Excellent

xoxo123

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Reply 3 on: Yesterday
Wow, this really help

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