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Author Question: The composition of the early atmosphere of the Earth was dominated by A) hydrogen (H2) B) ... (Read 50 times)

Frost2351

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on: Jul 27, 2018
The composition of the early atmosphere of the Earth was dominated by
 
  A) hydrogen (H2)
  B) nitrogen (N2)
  C) carbon dioxide (CO2)
  D) oxygen (O2)

Question 2

30/40 vision is a measure of
 
  A) eyeball size.
  B) chromatic aberration.
  C) visual acuity.
  D) astigmatism.
  E) the resolution of the eye.


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peilian

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

C

Answer to Question 2

C


Frost2351

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

Sarahjh

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Reply 3 on: Yesterday
:D TYSM

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