Um motorista de uma transportadora recebeu seu caminhão e suas respectivas cargas no km 40 de uma rodovia as 13h 30 horas, entrou a carga no km 120 da mesma rodovia as 18 horas. qual foi a velocidade de média desenvolvida pelo caminhão?

the answer is b

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.