Which of the following statements is true of reflection nebulae? ...

[debasdf]

Which of the following statements is true of reflection nebulae?
 
  A) They have a distinctive blue color.
  B) The gases in reflection nebulae are excited to emit photons.
  C) The spectrum of a reflection nebula is not the reflected absorption spectrum of starlight.
  D) They are produced when a hot star excites the gas to produce an emission spectrum.

Question 2

_____ is a series of three nuclear reactions that builds a helium nucleus by adding protons one at a time.
 
  A) The proton-neutron chain
  B) The helium proton chain
  C) The proton-proton chain
  D) The hydrogen-helium chain

[ebonylittles]

Answer to Question 1

A

Answer to Question 2

C

[debasdf]

Gracias!

[cpetit11]

Thanks for the timely response, appreciate it