The energy in the atmospheres of most of the jovian planets comes ...

[bcretired]

The energy in the atmospheres of most of the jovian planets comes
 
  A) almost entirely from the Sun.
  B) almost entirely from their interiors.
  C) both the Sun and their interiors, in roughly equal proportions.
  D) tidal heating.

Question 2

When new particle pairs are being created as fast as they annihilate, it is:
 
  A) hydrostatic equilibrium.
  B) thermal equilibrium.
  C) the threshold equilibrium.
  D) the cosmological constant.
  E) the critical density.

[Pswine]

Answer to Question 1

C

Answer to Question 2

B

[bcretired]

Excellent

[JaynaD87]

Gracias!