A sound-archive service restores old recordings for paying users. Table 1 shows four items connected with the service.
| Item | Information |
|---|---|
| A | Outdoor air around the building is freely available, and using it does not leave less for anyone else. |
| B | The service has 120 hours of trained technicians’ time available each week, which is used to restore recordings. |
| C | Restored recordings are made available on the service for users to download. |
| D | Users choose which restored recordings to download from the service. |
Which item is an economic resource used by the sound-archive service?
Item A: the outdoor air around the building
Item C: the restored recordings to download
Item B: the trained technicians’ time
Item D: the users who download recordings
81 exam-style questions on AQA GCSE Economics 1.1 Economic foundations, covering 1.1.1a Needs and wants, 1.1.1b The central purpose of economic activity, 1.1.1c Key economic decisions, 1.1.1d The main economic groups, 1.1.2a The nature of an economic resource, 1.1.2b The four factors of production, 1.1.3a The basic economic problem and making choices, and 1.1.3b Opportunity cost. Each one has a worked solution and a mark scheme showing where the marks go.