A student builds an electrical circuit in the circuit a battery is connected to a siren

and the siren goes wee-woo to what ever the circut

decides.Explanation:

for points guys

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