Answer:
Carbonization is the conversion of organic matters like plants and dead animal remains into carbon through destructive distillation.
UV Radiation, Infrared Radiation and Visible Light
Nuclear fusion generates the energy that is released by stars.
In the great majority of stars, it's the fusion of hydrogen nuclei
to form helium nuclei plus energy. In very old stars, the nuclei
of heavier elements are fused, forming even heavier ones.
