D. The option that is formed by the process of fusion in stars is elements.
How fusion in stars form elements
When the new star reaches a certain size, a process called nuclear fusion ignites, generating the star's vast energy.
The fusion process forces hydrogen atoms together, transforming them into heavier elements such as;
- helium,
- carbon and
- oxygen.
Thus, the option that is formed by the process of fusion in stars is elements.
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