Which one of the following molecules contains C≡C bond?

A.
C3H8

B.
CH4

C.
C2H2

D.
C2H6

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

the answer is definitely c.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

c. 75.7

i think that is the right