People should determine for themselves what to throw away.
In my opinion, that argument is always thrown up "we have the right to throw away whatever we want." People are always advocating the freedom of doing whatever they want these days.
The first counterargument "Municipal landfills are overflowing with trash" would help your cause. It would show people that they're throwing away too much trash.
The last counterargument "Recycling is expensive and causes pollution" is an absurd statement and is not based on any fact.
"He is going to take me home? He can drive? He can barely find his way out of the front door."
Technically both could be considered to have a tone of contempt. However, the first one is definitely a stronger choice, because the second has a valid reason for the rejection, while the first quote is more like a straight out insult.
Answer:
they should be arguable claims that you will try to prove with your evidence
