The world’s water exists naturally in different forms and locations: in the air, on the surface, below the ground and in the oceans. Although a large volume of freshwater exists ‘in storage’, it is more important to evaluate the renewable annual water flows, taking into account where and how they move through/ the hydrological cycle. Hopes this helps!! :)
<span>"Prime meridian" marks the beginning of longitude.And goes east and west around the equator with 180 (the middle) being in the middle of the ocean.</span>
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