Answer:
d. 4 hydrogen nuclei fuse to make 1 helium nucleus
Explanation:
As we know that sun is the largest source of energy and it produce high amount energy by performing a fusion reaction in the core of the sun.This reaction us known as nuclear fusion.In fusion reaction 4 hydrogen nuclei fuse and produce 1 helium nucleus.
So the answer is d.
d. 4 hydrogen nuclei fuse to make 1 helium nucleus
