receiving direct sunlight causes objects to become warm
thermals is rising_currents_of_warm_air. warmth is not hotness. when_water is heated_becomes_water_vapor. warmth is hotness. sunlight has effect_of_heating_earth sunlight has not effect_of_heating_earth partially_blocking_sunlight has effect_of_cooling_earth direct_sunlight is sunlight. mammals has warm_blood direct_sunlight is not sunlight.