harleyrr harleyrr

04-11-2020
Biology

contestada

Please help!!!
What process makes the birth of a star?
A.Supernova explosion
B.when it begins combining hydrogen to form helium
C.when gravity pulls in nebular dust
D.when it madd expands and cools

Respuesta :

arrianakim221 arrianakim221

04-11-2020

Answer:

B

Explanation:

because it combined with hydrogen and helium

Answer Link

leahfed leahfed

04-11-2020

the answer i think would be B.

Answer Link

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