Suppose you want to know the chemical composition of a distant ...

[robinn137]

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

[heyhey123]

Answer to Question 1

C

Answer to Question 2

D

[robinn137]

Thanks for the timely response, appreciate it

[frankwu0507]

Gracias!