In winter, salt is spread on a path to stop ice forming. In spring, the grass in a strip beside the path is dead and brown. Grass further away from the path is green and healthy.
Explain why the grass beside the path died.
Suggest one change that would reduce the damage to the grass next winter.
58 exam-style questions on AQA GCSE Biology 1.3 Transport in cells, covering 1.3.1 Diffusion, 1.3.2 Osmosis, and 1.3.3 Active transport. Each one has a worked solution and a mark scheme showing where the marks go.