| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ2.15 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 15 | Adapted from | N/A |
Question
The diagram is a representation of a carbon cycle. Which arrow will reduce the greenhouse effect?
Markscheme
A
Examiners report
N/A
Syllabus sections
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