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The Midwest is facing hot weather, and corn fields in the region are making the climate more humid. The phenomenon, known as “corn sweat,” is familiar to meteorologists and farmers, adding moisture to the atmosphere and making the heat worse.
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Corn, like other plants, uses a process called evapotranspiration to extract water from the soil and re-release it into the atmosphere. In hot weather, corn needs more water, which increases the amount of moisture that evaporates.
