Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Yanayin duniya yana da mahimmin mahimmanci wajen kiyaye yanayin halittu. Rashin iskar gas da ke kewaye da duniya yana riƙe da nauyi. Iska yafi nitrogen, oxygen, tururin ruwa, tare da ƙananan adadin carbon dioxide, argon, da dai sauransu. Matsalar yanayi tana raguwa a hankali tare da tsawo. Layer na ozone yana taka muhimmiyar rawa wajen rage yawan ultraviolet (UV) radiation wanda ya kai saman. Kamar yadda DNA ke da sauƙin lalacewa ta hanyar UV, wannan yana kare rayuwa a farfajiyar. Yanayin yana riƙe da zafi a cikin dare, don haka rage yawan zafin jiki na yau da kullum. Tambaya: Ta yaya gas ɗin da ke kewaye da duniya ya kasance a inda yake?
nauyi