What does the word proletariat most likely mean? A)heavy indclass
B) craftsmen and merchants
C) modern machinery
D) the working class​

it needs more practice but looks fine

explanation:

awnser:

ethos or the ethical appeal means to convince an audience of the author’s credibility or character. an author would use ethos to show to his audience that he is a credible source and is worth listening to. ethos is the greek word for “character.” the word “ethic” is derived from ethos.

when parallel rays of light pass through a concave lens, the refracted rays diverge so that they appear to come from one point called the principal focus.