This Study Mind Tutorial covers the following specification points:

AQA: 3.1.3.1

OCR: 2.2.2 (a, b, c)

Edexcel: 2.1, 2.2, 2.3, 2.4, 2.5, 2.6

CIE: 3.2.1, 3.2.2, 3.7.1, 4.2.1a