Written element in section C

It can depend on what you are asked to do in the first part of the question. The section C: Can be 1 part worth 20 marks to calculate and explain and underneath the requirement it would say in a note how the marks are split. It can be 2 parts , first part is usually for calculations the second written on the same topic, but quite often on something else. It can be split however the examiner has decided to say a 10 & 10 , 15 & 5, or 16 & 4, or 12 & 8 etc It can also be split into 3 possibly 4 parts. There is always a written element to Section C questions.

What are the typical topics in section C that usually have a commentary question?

Anything could come up in Section C It’s really important you don’t topic pick and hope that it comes up!