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Author Question: The difference in time between the arrival of S waves and the arrival of P waves can be used to ... (Read 59 times)

lunatika

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on: Jul 28, 2018
The difference in time between the arrival of S waves and the arrival of P waves can be used to determine
 a. the magnitude of an earthquake.
  b. the epicenter of an earthquake.
  c. the damage caused by an earthquake.
  d. all of the above.

Question 2

Which of the following polyatomic ions has a doubly negative charge?
 a. Acetate
  b. Sulfate
  c. Phosphate
  d. Ammonium


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bfulkerson77

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

b

Answer to Question 2

b


lunatika

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Reply 2 on: Jul 28, 2018
Excellent

recede

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Reply 3 on: Yesterday
Gracias!

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