In which step of the water cycle does liquid water transform into gas?
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Evaporation
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Condensation
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Solidification
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Precipitation
A
Correct answer
Explanation
Evaporation is the phase change where liquid water gains thermal energy and transforms into water vapor (gas). This process is primarily driven by solar energy heating surface waters like oceans, lakes, and rivers. Evaporation is a fundamental step in the water cycle that returns water to the atmosphere.