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Author Question: What do we currently believe was the main source of the Earth's oceans and atmosphere? A) impacts ... (Read 60 times)

captainjonesify

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on: Jul 27, 2018
What do we currently believe was the main source of the Earth's oceans and atmosphere?
 
  A) impacts by icy planetesimals
  B) outgassing by volcanoes
  C) material directly accreted from the solar nebula
  D) melting and vaporization of polar glaciers

Question 2

In a series RLC circuit the total impedance
 
  A) equals R + XL + XC.
  B) never exceeds R.
  C) always exceeds R.
  D) never is less than R.


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AaaA

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


captainjonesify

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

Joy Chen

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Reply 3 on: Yesterday
Gracias!

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