6.
Our sun will become a red giant when it has exhausted its supply of hydrogen.

Red Giant Phase: In 5.4 billion years from now, the sun will enter what is known as the red giant phase of its evolution. This will begin once all hydrogen is exhausted in the core and the inert helium ash that has built up there becomes unstable and collapses under its own weight.

Explanation:

12-14pt font, times new roman double spaced and on the top left of ur paper write the name date teachers name and assingment