Cambridge Cambridge O Level Biology 5090 · 19.4.3
Water and air pollution
- Code
- 19.4.3
- In
- 19.4 Effects of humans on ecosystems
- Topic
- 19 Relationships of organisms with one another and with the environment
- Course
- Cambridge O Level Biology 5090
- 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 19.4 Effects of humans on ecosystems
- 19.4.1 Causes and consequences of deforestation
- 19.4.2 Over-harvesting and non-native species
- 19.4.3 Water and air pollution