Question

A star enters the red giant stage when it runs out of _________.
A. helium
B. hydrogen
C. carbon

Answer 1

b

Answer 2

okay can u back ur answer up? :)

Answer 3

Hydrogen! :D

Answer 4

i'm not sure what kinda proff you are looking for but helium isn't falamble so that leaves that one out and carbon isn't a good option so that leave hydrogen and i remember that the sun runs off hydrogen fusion

Answer 5

haha nvm then....kinda scattered right now...on a deadline..sorry

Answer 6

meow :)

Answer 7

o.O

Answer 8

i think its hydrogen

Answer 9

hahahaha