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Author Question: Seismic waves that propagate through Earth are known as a. focus waves. b. surface waves. c. ... (Read 52 times)

mrsjacobs44

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on: Jul 28, 2018
Seismic waves that propagate through Earth are known as
 a. focus waves.
  b. surface waves.
  c. gravity waves.
  d. body waves.

Question 2

Which of the following is a positively charged polyatomic ion?
 a. Potassium ion
  b. Sulfide ion
  c. Ammonium ion
  d. Sulfate ion


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verrinzo

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

d

Answer to Question 2

c


mrsjacobs44

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Reply 2 on: Jul 28, 2018
Excellent

scottmt

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Reply 3 on: Yesterday
Wow, this really help

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