The Carbon-Nitrogen-Oxygen Cycle

Multiple Choice

The carbon-nitrogen-oxygen cycle

A) operates at a slightly lower temperature than the proton-proton chain.
B) is most efficient in star less massive than the Sun.
C) occurs when carbon and oxygen combine to form nitrogen, which produces energy.
D) produces the energy responsible for bipolar flows.
E) combines four hydrogen nuclei to form one helium nucleus, which produces energy.