What_is_the_water_cycle

What_is_the_water_cycle - What is the water cycle What is...

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What is the water cycle? What is the water cycle? I can easily answer that—it is "me" all over! The water cycle describes the existence and movement of water on, in, and above the Earth. Earth's water is always in movement and is always changing states, from liquid to vapor to ice and back again. The water cycle has been working for billions of years and all life on Earth depends on it continuing to work; the Earth would be a pretty stale place to live without it. Illustration by John M. Evans, USGS, Colorado District A quick summary of the water cycle
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Where does all the Earth’s water come from? Primordial Earth was an incandescent globe made of magma, but all magmas contain water. Water set free by magma began to cool down the Earth’s atmosphere, until it could stay on the surface as a liquid. Volcanic activity kept and still keeps introducing water in the atmosphere, thus increasing the surface- and ground-water volume of the Earth. The water cycle has no starting point. But, we'll begin in the oceans, since that is where
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What_is_the_water_cycle - What is the water cycle What is...

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