A small island community produces the same mass of waste each year. The table shows the percentage of waste recycled in two years.
| Year | Waste produced in tonnes | Waste recycled |
|---|---|---|
| 1 | 240 | 35% |
| 2 | 240 | 65% |
All waste that is not recycled is sent to a landfill site. The landfill site is next to a grassland habitat and may need to expand.
Calculate the decrease in the mass of waste sent to landfill from Year 1 to Year 2.
Give your answer in tonnes.
How does this decrease help to maintain biodiversity in the grassland next to the landfill site?
84 exam-style questions on AQA GCSE Biology 7.3 Biodiversity and the effect of human interaction on ecosystems, covering 7.3.1 Biodiversity, 7.3.2 Waste management, 7.3.3 Land use, 7.3.4 Deforestation, 7.3.5 Global warming, and 7.3.6 Maintaining biodiversity. Each one has a worked solution and a mark scheme showing where the marks go.