Among many geologic CO2 sequestration options, injection into saline aquifer formations is
one of the most promising one.
Thaning you,
Hello, prafulla—and welcome to English Forums. Neither 'one' nor 'ones' is natural (though the choice is 'ones'). Use this: Among many geologic CO2 sequestration options, injection into saline aquifer formations is one of the most promising.
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Among many geologic CO2 sequestration options, injection into saline aquifer formations is
one of the most promising.