AQA GCSE Design and Technology · 8552
Paper 1
Revise: EnvironmentGreenhouse gases trap heat in the atmosphere; increases caused by human activity strengthen this warming effect. These gases include carbon dioxide (CO₂), methane (CH₄) and nitrous oxide (N₂O).
- Revise: Design challenges
A gas that contributes to warming by absorbing heat radiation that would otherwise escape from Earth into space. Carbon dioxide is an example.