19pts!
describe how you think each of the three pollution situations might have been resolved.
list problems that might arise in trying to fix the pollution. Such problems might be technological, political, economic, or cultural.

Ocean and river pollution: it has been solved but the problem is that the machine that filters plastic from the water is making it difficult for Fishermen to catch fishes.

that's the only I can think of that could cause problem

substitution is the answer in this case

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google