describe water cycle
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Answer:
The Sun’s heat causes glaciers and snow to melt into liquid water. This water goes into oceans, lakes and streams. Water from melting snow and ice also goes into the soil. There, it supplies water for plants and the groundwater that we drink.
Snow falling on a glacier during winter months usually replaces any water that melts away in the summer. However, due to Earth’s overall warming, most glaciers today are losing more ice than they regain, causing them to shrink over time.
How does water get into the atmosphere? There are two main ways this happens:
Heat from the Sun causes water to evaporate from oceans, lakes and streams. Evaporation occurs when liquid water on Earth’s surface turns into water vapor in our atmosphere.
Water from plants and trees also enters the atmosphere. This is called transpiration.
Warm water vapor rises up through Earth’s atmosphere. As the water vapor rises higher and higher, the cool air of the atmosphere causes the water vapor to turn back into liquid water, creating clouds. This process is called condensation.
When a cloud becomes full of liquid water, it falls from the sky as rain or snow—also known as precipitation. Rain and snow then fill lakes and streams, and the process starts all ov
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