positive thoughts are always needed bc of this world we have grew up in let me just say this world is so much different now dont judge ppl based on there color or the way they look bc when they get to that age they going to buss up on u so stop judge ppl race and the way they look

mass and volume are the answers you are looking for

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.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle