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Water is life. Water in and of itself is not that uncommon in the solar system or the universe. But liquid water on the surface of a planet is unusual and it is absolutely critical to our existence. Without water, the Earth would be a sterile ball of rock revolving endlessly around the Sun, and we would not even exist. What makes water so vital?
By Pennsylvania Council of Professional Geologists4.4
88 ratings
Water is life. Water in and of itself is not that uncommon in the solar system or the universe. But liquid water on the surface of a planet is unusual and it is absolutely critical to our existence. Without water, the Earth would be a sterile ball of rock revolving endlessly around the Sun, and we would not even exist. What makes water so vital?

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