Thomas earns x dollars each week walking his neighbor’s dog. he also earns $10 allowance each week. which expression represents the amount of money thomas has earned after 4 weeks? select each correct answer. 4x+10 4x⋅10x 4(x+10) x+10+x+10+x+10+x+10

C) a difference in electric potential

Step-by-step explanation:

The amount of work done per unit charge to move a charge from one point to another is known as electric potential. The charges will not move if the potential difference is zero

Therefore,

A difference in potential causes charges to move from one end to another