Which of the following energy sources might supply energy for life on the surface of Titan?
A) asteroid and comet impacts
B) cryovolcanism
C) chemical reactions in the upper atmosphere
D) all of these
Question 2
How does degeneracy pressure differ from thermal pressure?
A) Degeneracy pressure cannot support an object against the crush of gravity, but thermal pressure can.
B) Degeneracy pressure can arise in a plasma, but thermal pressure cannot.
C) Degeneracy pressure affects stars, but thermal pressure does not.
D) Degeneracy pressure continues to be felt even if an object becomes very cold, but thermal pressure is drastically reduced as an object gets cold.