What causes the outward pressure that balances the inward pull of gravity in a star?
A) the outward flow of energy
B) the opacity of the gas
C) the temperature of the gas
D) the density of the gas
E) c and d

Question

Quizplus · Accepted Answer

The outward pressure in a star is caused by the outward flow of energy produced by nuclear fusion reactions in the core. This energy pushes outwards against the inward pull of gravity, creating a balance in the star's structure.

What Causes the Outward Pressure That Balances the Inward Pull