D. It can be seen by the eye. I took this test. Hope this helped!
Answer:
the answer is A because it has the least number but high in energy
A is the correct answer.
please vote my answer branliest! Thanks.
-- Charges with the same sign repel each other.
-- Charges with different signs attract each other.
-- This is called the "electrostatic force".
-- There's another set of forces called "magnetic forces", but
-- there's no such thing as "electromagnetic force".