Question

Stars combine Hydrogen to make Helium during nuclear fusion. Living things are made of heavier elements like Carbon, Oxygen, Iron, and Calcium. How did these elements form?

Answer 1

I will give you the answer in 5 minutes after research

Step-by-step explanation:

Answer 2

They were formed in the nuclear fusion reaction inside older stars.

As a star burns, fusion reactions inside its core create heavier elements. Those materials are released when the star dies of old age in an explosion.