Water is constantly recycled between the sea, the air and the land.
Describe how water from the sea falls as rain on the land.
Plants also return water to the air from their leaves.
Name this process.
State what is meant by potable water.
Explain why the water cycle is important for living organisms on land.
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.