Question

What causes a supernova?(1 point)
Responses

force of a nebula
force of a nebula

energy of heat
energy of heat

force of gravity
force of gravity

energy of a nebula

Answer 1

The primary cause of a supernova is the force of gravity. In the case of a massive star, it occurs when the nuclear fuel is exhausted and the core collapses under the influence of gravity, leading to a catastrophic explosion. Therefore, the correct response is:

**force of gravity**