In "all the world's a stage," to what does shakespeare compare the different ages of a person's life?

a.
lines written by playwrights

b.
problems faced by characters

c.
roles played by actors

d.
money spent by audience members

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation:

scholarship is an sc because, by definition, a subject complement is the adjective, noun or pronoun that follows a linking verb, for example the verb be (in any of its forms).