According to the passage, which of the following statements is true?A.There are several fo
According to the passage, which of the following statements is true?
A.There are several forms of electric energy that we now think have a powerful effect on bodies.
B.Magnets are always the same in scale.
C.There is adequate evidence to prove that magnets can help reduce pain.
D.Mesmer is the first person to discover the existence of magnets.