A gardener wants to turn garden waste into compost as quickly as possible.
The gardener can choose where to put the compost bin, how much water to add to the waste and how often to turn the waste.
Explain how the gardener should set up and look after the compost bin so that the waste decomposes as quickly as possible.
44 exam-style questions on Edexcel GCSE Biology 9.3 Material cycles and decomposition, covering 9.3.1 Cycling of materials through ecosystems, 9.3.2 The carbon cycle, 9.3.3 The water cycle, 9.3.4 The nitrogen cycle, 9.3.5 Indicator species and pollution, 9.3.6 Decomposition in preservation and composting, and 9.3.7 Rate changes in decay of biological material. Each one has a worked solution and a mark scheme showing where the marks go.