The carbon, oxygen, water and nitrogen cycles, the organisms and processes involved in each, and how human activities change them.
In these notes
- Why nutrients cycle
- The carbon cycle
- The oxygen cycle
- The water cycle
- The nitrogen cycle
Revision notes come with the Complete plan
Complete gives you mock exams, revision notes, the curriculum checklist and past papers, as well as every practice question with its explanation. ₦10,000 a month, or ₦108,000 a year.