Author Question: Which two processes can generate energy to help a star maintain its internal thermal pressure? A) ... (Read 12 times)

renzo156 · **on:** Jul 27, 2018

Which two processes can generate energy to help a star maintain its internal thermal pressure?

A) nuclear fission and supernova B) nuclear fusion and gravitational contraction
C) nuclear fusion and supernova D) nuclear fusion and nuclear fission

Question 2

Many astronomers now regard Pluto as just one of the largest of the thousands of Kuiper Belt bodies found beyond Neptune.

Indicate whether the statement is true or false