Which of the following statements is true? a. whenever an object moves, work is being done. b. a larger force always means more work has been done. c. whenever a force is put on an object, work is being done. d. in order for work to be done, a force must move an object over a distance.

overcharge is the right answer system

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.