In general, the spectral lines of molecules are A) more ...

[futuristic]

In general, the spectral lines of molecules are
 
  A) more complex than those of atoms.
  B) less complex than those of atoms.
  C) only absorption lines.
  D) the same as the atoms they contain.
  E) nonexistent.

Question 2

What affects the average orbital speed of a star in our galaxy?
 
  A) the star's mass and the mass of the galaxy
  B) the mass of the galaxy inside its orbit and the size of its orbit
  C) the mass and age of the star
  D) the mass and age of the galaxy

[nickk12214]

Answer to Question 1

A

Answer to Question 2

B

[futuristic]

Excellent

[vickybb89]

Thanks for the timely response, appreciate it