What is this public service announcement trying to
persuade people to believe?
o a good friend protect his or her friends.
there are many people out there who are not
wearing their seat belts.
soon, everyone will be wearing a seat belt.
many people do not know that they are supposed to
wear seat belts.

in this passage from chapter 6 of "animal farm", by george orwell, what the author is ridiculing in this passage is the frivolity of some rules.

clover, the mare, believes she remembers that the fourth commandment forbade sleeping in beds because it was something that humans did. snowball, napoleon, and the pigs are brain-workers who look after the welfare of the farm. they are the obvious leaders because they are smart, and so they are entitled to eat the best food and sleep in beds. it is squealer, who says these lines making the difference between sleeping with sheets, what humans do, and sleeping in beds, what pigs do. the unwillingness to question authority makes the oppressed to obey without thinking.

you need to make an explanation. so, since you did not include one, so no one, and i mean no one can unfortunately you,

i'm thinking it would be when compound subjects are joined by or, nor,either-or, neither-nor.

this map shows the geographic distribution of different tidal cycles along some earth's coastlines. areas experiencing tides are marked in yellow and experience one low tide and one high tide each day.