According to our modern understanding, what is a nova? A) an ...

[09madisonrousseau09]

According to our modern understanding, what is a nova?
 
  A) an explosion on the surface of a white dwarf in a close binary system
  B) the explosion of a massive star at the end of its life
  C) the sudden formation of a new star in the sky
  D) a rapidly spinning neutron star

Question 2

The atmosphere of Saturn is composed mostly of
 
  A) methane and ammonia.
  B) carbon dioxide and ethane.
  C) hydrogen and helium.
  D) hydrogen sulfide and ammonia.
  E) nitrogen and oxygen.

[bulacsom]

Answer to Question 1

A

Answer to Question 2

C

[09madisonrousseau09]

Thank you!

[bulacsom]

Always glad to help...