Johnny drives to Wisconsin (1920 miles) in 32 hours. He returns home by the same route in the same amount of amount of time. a. Determine his average speed.

b. Determine his average velocity

c. Compare these two values and explain any differences.

the first, second, and fifth options

second mirror gathers light from a faraway object and reflects it to another mirror. - a.

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.