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Hydrologic Cycle
Objective: To examine the concept of the hydrologic cycle
and how the various components are related.
The hydrologic cycle refers to the continual cycling of water
that has gone on for millions of years. Water evaporates from
the land and ocean, the water vapor rises, it condenses into
clouds and they later release rain. The rain hits the ground
and part runs off, part infiltrates into the ground, and part
evaporates back up into the sky. The plants and vegetation
take water from the soil and release it into the air through
transpiration. Other parts of the ground water enters streams
and flows onto the surface in springs. The surface water that
runs off in streams, towards the ocean, will eventually evaporate
and continue the cycle.
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