Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: Ozone taumata whenua (O3) i hangaia mai i te NOx me te VOCs. Ko te Ozone (O3) he wāhanga matua o te troposphere. He mea nui ano hoki mo etahi rohe o te papa o te papa e mohiotia ana ko te Ozone layer. Ko ngā tauhohenga matapihi me te matū e pā ana ki a ia e whakahaere ana i te nuinga o nga tukanga matū e puta ana i te hau i te ao me te po. I ngā pūngao tiketike whakaharahara nā ngā mahi a te tangata (te nuinga o te tahunga o te pūngao pūngao), he poke, he wāhanga o te hau.  Pātai: I tehea wā ka waiho hei poke?
he nui rawa ngā pūhui