Cambridge Cambridge IGCSE (9–1) Biology 0970 · 20.3.1
Sewage and fertiliser in aquatic ecosystems
- Code
- 20.3.1
- In
- 20.3 Pollution
- Topic
- 20 Human influences on ecosystems
- Course
- Cambridge IGCSE (9–1) Biology 0970
- Board
- Cambridge
Grade boundaries·Cambridge command words
Codes and titles are read by a script from Cambridge's published specification and have not been checked by a person. What each point covers is in the specification itself: Cambridge’s specification.
Points in 20.3 Pollution
- 20.3.1 Sewage and fertiliser in aquatic ecosystems
- 20.3.2 Non-biodegradable plastics
- 20.3.3 Methane and carbon dioxide pollution
- 20.3.4 Eutrophication (Supplement)