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Author Question: An earthquake of magnitude ______________ on the Richter scale is the smallest that can be felt by ... (Read 126 times)

khang

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on: Jul 28, 2018
An earthquake of magnitude ______________ on the Richter scale is the smallest that can be felt by humans.
 Fill in the blank(s) with correct word

Question 2

The percentage composition by mass of nitrogen dioxide is approximately
 a. 43 N and 57 O.
  b. 33 N and 67 O.
  c. 30 N and 70 O.
  d. 47 N and 53 O.


Koolkid240

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

2

Answer to Question 2

c


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khang

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Reply #2 on: Jul 28, 2018
TY


Koolkid240

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Reply #3 on: Jul 28, 2018
You're welcome


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