| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.HL.TZ1.16 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 16 | Adapted from | N/A |
Question
Methanogens produce methane gas. What is this gas converted to in the atmosphere?
A. Carbon dioxide and oxygen
B. Ethanol and carbon dioxide
C. Carbon monoxide and ozone
D. Carbon dioxide and water
Markscheme
D
Examiners report
[N/A]
