Biology, 28.09.2019 15:30, ahmedislife
Astar is said to be born when
a) pressure within a protostar becomes so great that a supernova occurs
b) a protostar reaches a temperature high enough for nuclear fusion to begin
c) a red giant collapses on itself and becomes a black hole
d) a dark, cool interstellar cloud begins to contract
Answers: 1
Biology, 24.06.2019 05:00, trinityscute81
Answers: 3
Geography, 23.09.2019 01:00, loganharper992
Answers: 1
Physics, 12.10.2019 18:00, AM28
Answers: 1
Astar is said to be born when
a) pressure within a protostar becomes so great that a superno...
a) pressure within a protostar becomes so great that a superno...
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