The answer is A. Proton. Protons have the opposite charge to electrons, which have negative charges.
Every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. Therefore, there must be the same number of atoms of each element on each side of a chemical equation.
I think Im gonna have to go with C 6.00 T/s but Im not sure
Work done = force * distance
work done = 200 * 20
work done = 4000J