What role does the salt bridge play in a voltaic cell? it allows electrons to flow from the anode to the cathode. it allows migration of ions from one half–cell to the other. it contains the electrodes. it creates the oxidation reaction.

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.

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practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.