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That water one doesn't seem right. All of the water in the world would fill up a sphere whose diameter is roughly the width of France? That's it? The oceans cover most of this planet; and oceans are more than 4 cm deep.
According to wikipedia, the Pacific ocean alone has 10,803,873,000,000 cubic kilometers of water. That's either 10 times more or 1 millions times more than what the picture shows for all of Earth's water (depending on whether you define a billion as a thousand-million or a million-million).
Either way, somebody's math was way off here. I suspect they looked at the surface area and confused it for the volume.
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