Question

Which event signals the birth of a star? A core shrinks and explodes in a supernova. A protostar collapses, becoming dense and hot. Extreme heat and pressure causes nuclear fusion. A mass of gas and dust grows and forms a protostar.

Answer 1

Answer:

It either becomes a neutron star, a white dwarf or a black hole but if the core is very dense then it becomes a black hole. A black hole is formed by the consolidation of all the protons of that star.

Explanation:

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Answer 2

Answer:

C. Extreme heat and pressure causes nuclear fusion.

Explanation:

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