The formation of clouds is primarily a result of the process of condensation, which follows these stages:
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Evaporation: Water from various sources, such as rivers, lakes, and oceans, turns into water vapor due to heat from the sun. This process adds moisture to the air.
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Rising Air: As the warm air containing the water vapor rises, it cools due to lower temperatures at higher altitudes.
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Condensation: When the rising air cools to its dew point (the temperature at which air becomes saturated), the water vapor condenses into tiny water droplets or ice crystals. These droplets cluster together around small particles in the atmosphere (like dust or salt), forming clouds.
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Precipitation: Eventually, if the cloud droplets grow large enough, they can fall back to the ground as precipitation (rain, snow, sleet, or hail).
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Transpiration: While not directly involved in cloud formation, transpiration is a related process where plants release water vapor into the atmosphere, contributing to the overall humidity.
In summary, the cloud formation process involves evaporation, followed by condensation, and can lead to precipitation.