Question: Lapho amazinga (levels) e-ozone eku-stratosphere ehla, liyakhula inani lemisebe eyi-ultraviolet efika eMhlabeni. Ukuphela kwe-ozone kuvame ukubangelwa
Options:
wukuhlehlela emuva komkhakha kazibuthe (magnetic field) woMhlaba
yilapho ama-fluorocarbon ekhululelwa emkhathini.
yilapho kwanda amaza kagesi nozibuthe avela eLangeni.
wukushintsha isigubhukane kwesimo sezulu (weather and climate)
Answer: B