The mountains take up at least a quarter of the earth's surface
The mountains really don't take up that much of the earth's surface. They are found in ranges at convergent plate boundaries that "fold up" the land.
Yes, water does take up space. It has mass and volume, which means it occupies a certain amount of space depending on the quantity of water present.
Yes. Clouds are composed of water, which is matter. Matter is described as anything that takes up space, and therefore, clouds take up space.
The answer is unknowable, since not all the diamonds in the world have been mined to date.
Music scores take up space if they are on paper or another hard medium. Live music takes up space insofar as musicians and instruments are physical objects. Music itself [sound] can move through space that contains a medium capable of transmitting sound, and sound is a form of energy, but it would be difficult to argue that sound actually 'takes up' space that cannot be filled with something else.
because you can take a space ship/a rocket and fly/go up there.
Not much to be honest.
they don't take any space up
lots
Not much to be honest.
not much :p
It takes up a cubic kilometer of space.
Energy takes up no space, at all.
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volume
Yes, they do. How much space they take up depends on how much you write. If you just write, let's say, a grocery list, then not much space will be used. But if you write stories on your notes, like my friend, then they can take up a lot of space. It just depends on what you use them for.
Gasses spread out to take up as much space as they can but it really depends on the amount of gas.
it takes up about 2 gigabytes of space.