Question

Any topic for an a level chemistry project plizzzz!!!!!!!!!!! one which l can make a model...plizzzzzzz

Answer 1

make your project to reduce pollution by your own method ! be unique with it coz selection of models depend on the difference among the all projects ! and whatever you are making about colect huge information about that so you can define your model.
many options are there but this is best if you can be unique.