1. smoke
cause: it causes air pollution and it is bad for you to breathe
effect: it makes you sick and in some of the smoke are just from cars
2. dead animals
cause: it is bad for you cause there might be a disease inside animal
effect: you will get sick if you touch it and that's your face and maybe you will die from the disease inside the dead anime
3.study
cause: it causes you to learn more knowledge and new stuffs
effect: it makes an effect from your grades and maybe you will have a good job
