Author Question: An earthquake of magnitude ______________ on the Richter scale is the smallest that can be felt by ... (Read 111 times)

khang

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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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Answer to Question 1

2

Answer to Question 2

c



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