B. Ozone (O3), like oxygen, is a life-supporting gas.
66.
General English Select the option that can be used as a one-word substitute for the given group of words. A serpent having many heads in Greek mythology
Select the most appropriate option that can substitute the underlined segment in the given sentence.
Whoever got the few answers correct has to leave the room.
Parts of the following sentence have been given as options. Select the option that contains an error.
Please hang with for two minutes while I finish cleaning the utensils.