such as "Introduction", "Conclusion"..etc
The water cycle, sometimes referred to as the hydrological cycle, is the continuous transfer of water from air, sea land and water in a continuous cycle. This continuous movement of water is sufficient to provide good living conditions on the planet while at the same time transferring the water to places where it is needed as a norm.
Water in the oceans evaporates with long, direct exposure to the heat from the sun, and with the warm air above the warming ocean, the droplets of water rise as cold air rushes in to fill the gap of the rising warm air. This elevation of water is essentially cloud formation.
The clouds are easily moved in the direction of the wind, and this driving mechanism pushes the cloud in any given direction, while more water evaporates from the ocean as well as transpiring from plants and animals. The clouds, which eventually rise to high altitude and discharge their water as they hit the cooler air.
This rainfall can end up in a variety of places in the short term future, many of which in some way promote advantageous conditions for life to take advantage of it; water being an essential compound for countless species.
The next tutorial looks at the freshwater ecosystem, which plays an important part in this water cycle but is also an important habitat for many species in which they depend on (and have adapted to) for survival.
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