| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ2.20 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Identify | Question number | 20 | Adapted from | N/A |
Question
What do records from the twentieth and twenty-first century show about the concentration of carbon dioxide in the atmosphere?
A. An upward trend with annual fluctuations
B. An upward trend with no annual fluctuations
C. Annual fluctuations but no overall trend
D. Random fluctuations and no overall trend
Markscheme
A
Examiners report
N/A
Syllabus sections
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