Jupiter and Saturn emit ____ heat than absorbed from the Sun due ...

[NguyenJ]

Jupiter and Saturn emit ____ heat than absorbed from the Sun due to _____ is the result of____
 
  a. excess; nuclear reactions in their liquid metallic hydrogen cores.
  b. less; nuclear fusion of hydrogen to helium in their liquid metallic hydrogen cores.
  c. excess; heat left over from their formation
  d. less; heat left over from their formation

Question 2

When two galaxies collide, they pass through each other and their stars almost never collide.
 
  Indicate whether the statement is true or false

[akemokai]

Answer to Question 1

C

Answer to Question 2

T