What happens after the helium flash? A) The core suddenly ...

[justinmsk]

What happens after the helium flash?
 
  A) The core suddenly contracts.
  B) The star breaks apart in a violent explosion.
  C) The core stops fusing helium.
  D) The core quickly heats up and expands.
  E) The star starts to fuse helium in a shell outside the core.

Question 2

What are greenhouse gases?
 
  A) gases that transmit infrared light
  B) gases that transmit visible light
  C) gases that absorb ultraviolet light
  D) gases that absorb visible light
  E) gases that absorb infrared light

[HandsomeMarc]

Answer to Question 1

D

Answer to Question 2

E