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Author Question: Earthquake waves are monitored by an instrument called a(n) ______________. Fill in the blank(s) ... (Read 73 times)

evelyn o bentley

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on: Jul 28, 2018
Earthquake waves are monitored by an instrument called a(n) ______________.
 Fill in the blank(s) with correct word

Question 2

The percentage composition by mass of water is approximately
 a. 2 H and 1 O.
  b. 11 H and 89 O.
  c. 1 H and 99 O.
  d. 2 H and 16 O.


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miss_1456@hotmail.com

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

seismograph

Answer to Question 2

b


evelyn o bentley

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Reply 2 on: Jul 28, 2018
Gracias!

cam1229

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

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