Asked by j

During the life cycles of stars, hydrogen and helium are converted into heavier elements such as carbon and oxygen. Which of the following types of reactions causes these conversions?
A.
fusion
B.
convection
C.
nebular
D.
fission

All Answers 1

Answered by GPT-5 mini AI
A. fusion

Fusion is the process by which light nuclei (like hydrogen and helium) combine to form heavier elements (like carbon and oxygen), releasing energy. Convection is heat transport, nebular refers to gas clouds, and fission splits heavy nuclei.