1.
paragraphs can serve to indicate dialogue.
functional
introductory
topical
concluding

i can you with this question.

all you have to do is draw a line and copy what is on the paper

many is the pronoun that is used in this sentence. many is a quantifier that determines the amount of discoveries. when we use quatifiers followed by nouns, they act as determiners, but when they are used without a noun, as it is this case, they are pronouns.

during my first experiment, a kind of enthusiastic frenzy had blinded me to the horror of my employment . . my eyes were shut to the horror of my proceedings (230).

apex