Question: Ƙa'idar sassauyawar ƙasa ta faɗi cewa mafi yawan faɗin ƙasa na samuwa a sannu a sannu ne, kuma cikin lokaci mai tsawo. Wacce bayyana ce ta duniya da wannan wannan ƙa'ida bata goyi bayanta ba.
Options:
inganta 'kasa 
ɓallewar ambaliyar aman wuta
tafiyar ƙasa
haɗa iska mai guba
Answer: B