Rubuta wani ɗan gajeren sakin layi na labari da aka ba da batun da ke gaba:  Mutum X yana tunanin batun kimiyya
Tabbas, ga ɗan gajeren sakin layi: Katja tana mamakin ilimin kimiyya a bayan canjin yanayi. Ta karanta cewa matsakaicin zafin jiki na Duniya yana ƙaruwa, amma tana son ta san abin da ke haddasa wannan. Ta kuma yi mamakin yadda canjin yanayi zai shafi duniya.