Question

what material serves as the stars fuel? gas and dust hydrogen mass stellar nebula

Explanation:

Stars mainly produce energy through nuclear fusion of hydrogen atoms into helium atoms in their cores. Hydrogen is the main fuel for this process. Gas and dust are components of the inter - stellar medium that can form stars but not the fuel during the star's active life. Mass is a property of a star, not fuel. A stellar nebula is a cloud of gas and dust where stars are born, not star fuel.

Answer:

hydrogen