What are the inital substances that were needed to form the sun

Gases and the gravitational dust.

Explanation:

Gases like the nitrogen, carbon and oxygen and the elements like the iron and the nickel were also involved in the formation of the sun. Solar nebula gave rise to the large body of the dust gas and that was flattened out to form the sun.Powered by 70% of the hydrogen and 28% of the helium gases that occurred in the fusion and fission form rotation disk of the proto-star.

Answertaurus is the highest in the sky;