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Author Question: Suppose you want to know the chemical composition of a distant star. Which piece of information is ... (Read 15 times)

robinn137

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on: Jul 27, 2018
Suppose you want to know the chemical composition of a distant star. Which piece of information is most useful to you?
 
  A) The peak energy of the star's thermal radiation.
  B) The Doppler shift of the star's spectrum.
  C) The wavelengths of spectral lines in the star's spectrum.
  D) Whether the star's spectrum has more emission lines or more absorption lines.

Question 2

One theory for the origin of life suggests that life formed spontaneously from increasingly complex chemical reactions on the Earth. This is referred to as
 
  A) intelligent design
  B) naturism
  C) panspermia
  D) chemical evolution


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heyhey123

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

C

Answer to Question 2

D


robinn137

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Reply 2 on: Jul 27, 2018
Wow, this really help

aruss1303

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Reply 3 on: Yesterday
Excellent

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