This Study Mind Tutorial covers the following specification points:

AQA: 3.1.1.2

OCR: 2.1.1 {d(i,ii)}, 4.2.4(f,g,h)

Edexcel: 1.8,1.9, 1.10, 7.1(i,ii), 19.1 (i,ii)

CIE: 22.2.1, 22.2.2, 22.2.3, 22.2.4, 22.2.6, 22.2.5