How much energy is used to melt 300g of ice which is at 0 degree celsius

compass can be used day and night, cloudy or sunny

laticia draws the diagram below to show earth’s magnetic field.

answer

the arrows to the right of earth should point 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.

option number c is the right answer.