Questions tagged [that-it]

I would like to know whether the word that can be removed in the following sentence: Searches revealed that Johns was awarded a grant by the Chilean Innovation Program. I read in other threads that that can be omitted in sentences like “She said…

I am trying to determine the grammatical function of that in the line: The hand that mock'd them and the heart that fed. from Shelley's Ozymandius. I want to work out if 'that' is being used as a pronoun or an adverb.