text: Morning (awatay wan 2008) ikyad daɣ alkittaban win biology n lakkol wan ammas daɣ awatay wan 1952 har 2002 tolas ijraw dumu olahan s 35% ɣas issewalan fal tawset daɣ awatay wan 1983 har 1992 s tizarat 92% ɣas a ijjan awen