I need help thinking of 4 small problems in our world. I have to have 4 problems, solutions attempted to those problems and a problem solving invention. I really need help please and thank you.

3 answers

What do you think "small problems in our world" are?
well for one, "littering", two, "vandalism". here is two see if you can think up two more of your own! I believe you can do it!
hope I helped!
what can you do to solve the problems?