the air around the equator receives direct sunlight
direct_sunlight is sunlight. hemisphere'pointing_toward_sun is in_summer. earth's_atmosphere has oxygen sunlight has effect_of_heating_earth hemisphere'pointing_toward_sun is not in_summer. air is atmosphere. ozone is gas_in_atmosphere. sunlight has not effect_of_heating_earth sun is stronger_at_equator. direct_sunlight is not sunlight.