scientists discovered that stars in the universe are mostly composed of which elements?\n hydrogen and…
scientists discovered that stars in the universe are mostly composed of which elements?\n hydrogen and helium\n hydrogen and oxygen\n oxygen and nitrogen\n helium and nitrogen
Answer
Brief Explanations:
Stars are mainly composed of hydrogen and helium due to the process of nuclear - fusion in their cores. Hydrogen fuses into helium, releasing energy.
Answer:
A. hydrogen and helium