Prior to the invention of a revolutionary means of travel, people had to take long, dangerous journeys to cross parts of the country. due to this development, society was revolutionized as travel became safe and efficient. which is most likely the first invention that changed society so much? the airplane the steam engine the car the train

the answer would be B

the higher the current the higher the mag field around it the higher the influence on the compass

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.