The planetary systems of saturn, uranus, and neptune are shown below. what can be concluded by looking at these images? a. some planets are orbited by moons and rings. b. all planets are the exact same size, shape, and color. c. most planets can support life. d. planets with rings cannot also be orbited by moons.

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.