Multiple choice: Market failure

Thanks to tutor2u
https://www.tutor2u.net/economics/reference/the-edge-in-a-level-economics-mcq-blast-on-market-failure-and-government-intervention?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Fri%2023rd%20March%202018&utm_content=Economics%20daily%20digest%20Fri%2023rd%20March%202018+CID_acb8517e18182a2439ca724c6057817f&utm_source=CampMonitor&utm_term=The%20Edge%20in%20A%20Level%20Economics%20MCQ%20Blast%20on%20Market%20Failure%20and%20Government%20Intervention%20Practice%20exam%20questions%20This%20is%20a%20revision%20lesson%20version%20of%20the%20recent%20MCQ%20blast%20revision%20webinar%20on%20Market%20Failure%20and%20Government%20Intervention%20Great%20revision%20practice%20for%20Year%201%20micro