Four words of the following sentence have been underlined and given as options. Select the option that contains a spelling error.
Ozone is a reactive gas that is not only important in protecting us from harmful ultraviolet radiation but is also a greenhouse gas and, at high smog-level concentrations, harmful to human health and vegetation.
The sentence given below has spelling errors. Select the sentence without spelling errors.
We can also contribute to presarvation of water bodies by not dumping our garbage in them.
We can also contribute to preservation of water bodies by not dumping our garbage in them.
We can also contribute to presarvation of water bodies by not dumping our garbage in them
We can also contribut to presarvation of water bodies by not dumping our garbage in them
We can also contribute to presarvation of water bodies by not dumping our garbag in them