The diagram below represents energy transformations in a moving electric toy car. Sun's rays
Solar panels
Electricity
Electric
motor
Which form of energy is the original source of power for this car?
(1) electrical
(3) sound
(2) mechanical
(4) light

Sorry i dont understand the question can you rephase it?

Answer246 k;

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.