Question 22N.2.HL.TZ0.3c
| Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.2.HL.TZ0.3c |
| Level | HL | Paper | 2 | Time zone | TZ0 |
| Command term | State | Question number | c | Adapted from | N/A |
The graphs show how the global mean surface temperature changed from 1978 to 2018, as well as the amount of energy reaching the surface of the Earth from the Sun.
[Source: Used with permission of The National Academies Press from Climate Change: Evidence and Causes: Update
2020, National Research Council, Washington, DC 2020, permission conveyed through Copyright Clearance
Center, Inc. Available at: https://doi.org/10.17226/25733 [Accessed 29 October 2021].
Physikalisch-Meteorologisches Observatorium Davos. VIRGO scale from 1978 to mid-2018.
https://royalsociety.org/topics-policy/projects/climate-change-evidence-causes/question-4/.]
State one other gas that contributes to global warming.
[1]
methane/nitrous oxide/water vapour/ozone/CFCs/other halogenated gases;
Nearly all candidates could name another greenhouse gas that is contributing to global warming. Methane was the commonest answer. Water vapour was also allowed as it is increasing in the atmosphere.
