WJEC GCSE The Sciences (Double Award) 3455QD · 2.4.4
The composition of the atmosphere
- Code
- 2.4.4
- In
- 2.4 The Earth's essential resources
- Topic
- 2 Unit 2: Chemistry – Chemical Substances and How They Behave
- Course
- GCSE The Sciences (Double Award) 3455QD
- Board
- WJEC
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points in 2.4 The Earth's essential resources
- 2.4.1 The Earth’s resources
- 2.4.2 Sustainable water supply
- 2.4.3 Separation techniques involving water
- 2.4.4 The composition of the atmosphere
- 2.4.5 Greenhouse gases and climate change