The pressure of the gas contained in a cylinder with a movable piston is 650 Pa the area of the piston is 60 cm² calculate the force exerted on the piston

The answer is a because I did it on edgenity

Explanation:

carla slowed down in the beginning of her trip, stopped, and then sped up

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.