Question: Wasu furanni za su buɗe na sa'o'i goma sha biyu sannan su rufe. Wani abu ne ke sanya furannin amsawa idan sun buɗe sannan kuma lokacin da suka rufe na wannan lokacin?
Options:
matakan haske
matakan wata
yanayin zamuna
matakan iskar carbon dioxide
Answer: A