Hurry &
which of the following is not an example of work?
a.) pushing a box across the floor
b.) picking up a box off the floor
c.) holding a tray in the cafeteria line
d.) raising a barbell over your head

i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation:

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.