No. She would be doing the same amount of work that way. Work is defined to be equal to the force multiplied by the distance. Carrying two bags at a time would cause her to exert twice the effort, so the total amount of work done in the end would still be the same.
Actually moving and not. It is the sum of potential and kinetic energy.
The answer to this is initial appearance and the second is final appearance.
White marble is a white surface
