A truck heading east has an initial velocity of 6 m/s. It accelerates at 2 m/s for 12 second's. what's distance does the truck travel in the given time

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.

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;