Question

One of the reasons that stars are so large is because _____.

Answer 1

Answer:

Best answer a.) pressure builds to heat the gases

Explanation:

A star is made up a massive  ball of hot gas, large enough that gravity causes it to implode on itself forming a very dense and hot core that then causes nuclear fusion, whereby larger atoms are formed from the combination of much smaller ones, in the process a lot of heat and pressure is generated that then in turn pushes outwards from the core making it larger.

Answer 2

Answer:

They are composed of hydrogen and helium