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Author Question: Earthquake waves are monitored by an instrument called a(n) ______________. Fill in the blank(s) ... (Read 62 times)

evelyn o bentley

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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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Answer to Question 1

seismograph

Answer to Question 2

b




evelyn o bentley

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


chjcharjto14

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Reply 3 on: Yesterday
Excellent

 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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