This Study Mind Tutorial covers the following specification points:

AQA: 3.1.2.3,3.1.2.5

OCR: 2.1.3 {a(iv,v),e(ii),f}

Edexcel: 5.5(ii), 5.7, 5.9, 5.10

CIE: 4.1.1, 4.1.2, 4.1.3