Yes silver tarnish can easily be removed with polish
Answrs: Part a) "Facts from a documentary.." This is talking about the benefits of artificial organs instead of donated ones.
Part b) "There are several ..." Because it is a sentence that is likely to precede facts. The others are opinions about how something 'SHOULD' be, and aren't presenting facts or claiming something.The first one 3ven says "I think..." which is clearly an opinion.
Answer: The audience would be the school board or the members of the school and your trying to convince them to change the rule.
Explanation:
The correct answer is A.
MLK was a good friends with ROSA and after he heard that what happen a boycott began.
Before then he was already a paster.