AQA Mrs Corbett revision - Atmospheric pollutants

As per title the 5 main pollutants you need to know for AQA and how they got there.
AQA Mrs Corbett revision - Atmospheric pollutants
AQA Mrs Corbett revision - Atmospheric pollutants
AQA Mrs Corbett revision - Atmospheric pollutants

atmophere,pollutants,aqa,mrs corbett,gcse,chemistry,paper 2,