A hotel is considering four purchasing plans.
| Plan | Product currently used | Proposed replacement |
|---|---|---|
| 1 | fish caught from wild populations | fish reared on a farm |
| 2 | timber from a natural forest | timber from a managed plantation |
| 3 | wool in corridor carpets | nylon in corridor carpets |
| 4 | fossil fuel for heating | biofuel made from crops |
Which proposed change replaces an agricultural product with a synthetic product?
Plan 2: timber from a managed plantation
Plan 1: fish reared on a farm
Plan 4: biofuel made from crops
Plan 3: nylon in corridor carpets
87 exam-style questions on AQA GCSE Chemistry 10.1 Using the Earth's resources and obtaining potable water, covering 10.1.1 Using the Earth's resources and sustainable development, 10.1.2 Potable water, 10.1.3 Waste water treatment, and 10.1.4 Alternative methods of extracting metals. Each one has a worked solution and a mark scheme showing where the marks go.