Difference between an Isolated Storm and a Cold Front Storm

Scattered thunderstorms mean at any one given time at least 30 to 50 per cent of the area could be affected by thunderstorms. On "scattered" thunderstorm days, the area will experience storms intermittently or "off and on" throughout a day, and may even experience multiple rounds of thunderstorms.

the answer would be c

the force on the thing and the distance the force moves the thing