Four cats are sitting in a living room. Which cat has the greatest gravitational potential energy? (Lesson 3.10 Gravitational Potential Energy) O A 15 lb cat sitting 3 feet off the ground in a window O A 15 lb cat sitting 1 foot off the ground on a box O A 10 lb cat sitting 1 foot off the ground on a box O A 10 lb cat sitting 3 feet off the floor in a window