according to most scientists, cold fusion will not be a practical source of energy on earth. would be a…

according to most scientists, cold fusion will not be a practical source of energy on earth. would be a practical source of energy on earth if it were less expensive. will be a practical source of energy on earth within the next few decades. will always continue to be a practical source of energy on earth.

according to most scientists, cold fusion will not be a practical source of energy on earth. would be a practical source of energy on earth if it were less expensive. will be a practical source of energy on earth within the next few decades. will always continue to be a practical source of energy on earth.

Answer

Brief Explanations:

Cold - fusion is a hypothesized type of nuclear fusion that would occur at or near room temperature. Most scientists believe it is not a practical energy source on Earth due to lack of reproducible evidence and technological challenges.

Answer:

will not be a practical source of energy on Earth.