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Water is a simple chemical molecule, formed from the union of two atoms of hydrogen and one of oxygen. Both these elements (H & O) are quite reactive, and their combining into a molecule is not surprising.

Much water lies frozen in space, in comets, and in particular in the Oort Cloud. Undoubtedly some of Earth's early water came from this source.

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14y ago

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Where does energy for the water cycle come from?

Source of energy is the sun.


Does running water come from the sun?

No, running water does not come directly from the sun. Water on Earth comes from a variety of sources such as rainfall, rivers, and groundwater, which are replenished through the water cycle. The sun's energy plays a role in driving the water cycle by causing evaporation and precipitation.


How does water come back to the oceans?

Run off from rivers in to the Ocean. Relates to the water cycle. For more info google the water cycle.


Were can I find anwers about the water cycle?

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When does water cycle happen?

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Did the water from the Caspian Sea come from rain?

All water in the sea does. It's called the water cycle!


Can water be distributed without a water cycle?

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Does transportation come before precipitation in the water cycle?

Yes transportation comes from precipitation. The complete cycle is executed.


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What does energy that powers the water cycle comes from?

The energy that drives the water cycle is from the Sun.


Is water a renewable or non-renewable?

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