Question

which process produces large amounts of energy in a star by combining lighter elements into a heavier element

Answer 1

Nuclear fusion

Step-by-step explanation:

Answer 2

Fusion

Step-by-step explanation:

A star's energy comes from the combining of light elements into heavier elements in a process known as fusion, or "nuclear burning". It is generally believed that most of the elements in the universe heavier than helium are created, or synthesized, in stars when lighter nuclei fuse to make heavier nuclei.