Multiple Choice
What is the CNO cycle?
A) A set of steps by which four hydrogen nuclei fuse into one helium nucleus
B) The process by which helium is fused into carbon, nitrogen, and oxygen
C) The process by which carbon is fused into nitrogen and oxygen
D) The set of fusion reactions that have produced all the carbon, nitrogen, and oxygen in the universe
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Choose from the list below for the
Q92: Compared to the star it evolved from,a
Q94: Which element is the dead end for
Q95: This diagram represents the life track of
Q97: After a supernova event occurring in a
Q99: Which process is required to allow a
Q101: Which of the following statements about various
Q101: Explain how some stars form in binary
Q103: What star is the most likely to
Q117: Do you think it is possible that