What is an aquifer?
Choose 1 answer
{"type":"multi-choice","id":"8256","dataJson":{"type":"multi-choice","slide_id":43552,"key":8256,"prompt":"\u003cp\u003eWhat is an aquifer?\u003c/p\u003e","validResponse":[8826],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"Sewage or waste that is liquid which is released into the sea or river.","value":8822,"fileboyId":"41bb2f92-0f68-4502-aa53-c8ebdcd8b800"},{"label":"Mud which is soft, wet and thick or a similar mixture of solid and liquid constituent.","value":8823,"fileboyId":"2a3e4cd9-5f22-4c02-90e2-d21ef47a7a9b"},{"label":"A body of permeable rock which can contain or transmit groundwater.","value":8826,"fileboyId":"934ba068-d727-42de-9690-19df5ad8ce60"},{"label":"Excrement and water present in sewers.","value":8825,"fileboyId":"ae417d45-8f94-4613-91dd-847ff11d6f46"},{"label":"Water which has been used such as in soaps, chemicals, food scraps and human waste. ","value":8824,"fileboyId":"10f988ce-2d6a-43fe-b455-250dd8fbbf4e"}],"question_data":{"body":"The easiest way to produce potable water is to use groundwater from aquifers, usually, this is safe to drink once it's been treated with chlorine. Aquifers can sometimes be polluted, for example, with fertilisers from farms. The water from aquifers needs to be tested carefully. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/8cea24fa-51a4-40e8-9ca1-bfb017f47a2e?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is sewage?
Choose 1 answer
{"type":"multi-choice","id":"8255","dataJson":{"type":"multi-choice","slide_id":43546,"key":8255,"prompt":"\u003cp\u003eWhat is sewage?\u003c/p\u003e","validResponse":[8825],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"A body of permeable rock which can contain or transmit groundwater.","value":8826,"fileboyId":"934ba068-d727-42de-9690-19df5ad8ce60"},{"label":"Water which has been used such as in soaps, chemicals, food scraps and human waste. ","value":8824,"fileboyId":"10f988ce-2d6a-43fe-b455-250dd8fbbf4e"},{"label":"Mud which is soft, wet and thick or a similar mixture of solid and liquid constituent.","value":8823,"fileboyId":"2a3e4cd9-5f22-4c02-90e2-d21ef47a7a9b"},{"label":"Excrement and water present in sewers.","value":8825,"fileboyId":"ae417d45-8f94-4613-91dd-847ff11d6f46"},{"label":"Sewage or waste that is liquid which is released into the sea or river.","value":8822,"fileboyId":"41bb2f92-0f68-4502-aa53-c8ebdcd8b800"}],"question_data":{"body":"Wastewater must be carefully treated before being released back into the environment. In the first stage, the sewage is screened by passing through a mesh, this removes solids on pieces of grit. The sewage is allowed to settle in large sedimentation tanks. \n","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/d7bd1ec5-ff67-4b28-beb5-85db457e5f37?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What does effluent mean?
Choose 1 answer
{"type":"multi-choice","id":"8252","dataJson":{"type":"multi-choice","slide_id":43548,"key":8252,"prompt":"\u003cp\u003eWhat does effluent mean?\u003c/p\u003e","validResponse":[8822],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"Mud which is soft, wet and thick or a similar mixture of solid and liquid constituent.","value":8823,"fileboyId":"2a3e4cd9-5f22-4c02-90e2-d21ef47a7a9b"},{"label":"A body of permeable rock which can contain or transmit groundwater.","value":8826,"fileboyId":"934ba068-d727-42de-9690-19df5ad8ce60"},{"label":"Sewage or waste that is liquid which is released into the sea or river.","value":8822,"fileboyId":"41bb2f92-0f68-4502-aa53-c8ebdcd8b800"},{"label":"Water which has been used such as in soaps, chemicals, food scraps and human waste. ","value":8824,"fileboyId":"10f988ce-2d6a-43fe-b455-250dd8fbbf4e"},{"label":"Excrement and water present in sewers.","value":8825,"fileboyId":"ae417d45-8f94-4613-91dd-847ff11d6f46"}],"question_data":{"body":"At the end, the digested sludge can be used as fertilisers for farming. The liquid effluent contains large amounts of organic molecules and harmful microorganisms, both of these need to be reduced before the water is returned to the environment. ","video":{"type":"fileboy","url":"f0f5bcac-a11d-47bb-8436-d78c0252d222"},"image_url":null},"limitChoices":{"min":1,"max":1}}}
What is sludge?
Choose 1 answer
{"type":"multi-choice","id":"8253","dataJson":{"type":"multi-choice","slide_id":43547,"key":8253,"prompt":"\u003cp\u003eWhat is sludge?\u003c/p\u003e","validResponse":[8823],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"Mud which is soft, wet and thick or a similar mixture of solid and liquid constituent.","value":8823,"fileboyId":"2a3e4cd9-5f22-4c02-90e2-d21ef47a7a9b"},{"label":"A body of permeable rock which can contain or transmit groundwater.","value":8826,"fileboyId":"934ba068-d727-42de-9690-19df5ad8ce60"},{"label":"Water which has been used such as in soaps, chemicals, food scraps and human waste. ","value":8824,"fileboyId":"10f988ce-2d6a-43fe-b455-250dd8fbbf4e"},{"label":"Sewage or waste that is liquid which is released into the sea or river.","value":8822,"fileboyId":"41bb2f92-0f68-4502-aa53-c8ebdcd8b800"},{"label":"Excrement and water present in sewers.","value":8825,"fileboyId":"ae417d45-8f94-4613-91dd-847ff11d6f46"}],"question_data":{"body":"This produces a liquid effluent under semi-solid sludge which sinks. The sludge is taken away undigested by anaerobic bacteria. In the absence of oxygen, these bacteria produce biogas which can be burned for electricity. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/897facf6-c1d2-4ca8-902e-cbb0ec3c7890?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is wastewater?
Choose 1 answer
{"type":"multi-choice","id":"8254","dataJson":{"type":"multi-choice","slide_id":43543,"key":8254,"prompt":"\u003cp\u003eWhat is wastewater?\u003c/p\u003e","validResponse":[8824],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"Excrement and water present in sewers.","value":8825,"fileboyId":"ae417d45-8f94-4613-91dd-847ff11d6f46"},{"label":"A body of permeable rock which can contain or transmit groundwater.","value":8826,"fileboyId":"934ba068-d727-42de-9690-19df5ad8ce60"},{"label":"Sewage or waste that is liquid which is released into the sea or river.","value":8822,"fileboyId":"41bb2f92-0f68-4502-aa53-c8ebdcd8b800"},{"label":"Mud which is soft, wet and thick or a similar mixture of solid and liquid constituent.","value":8823,"fileboyId":"2a3e4cd9-5f22-4c02-90e2-d21ef47a7a9b"},{"label":"Water which has been used such as in soaps, chemicals, food scraps and human waste. ","value":8824,"fileboyId":"10f988ce-2d6a-43fe-b455-250dd8fbbf4e"}],"question_data":{"body":"By the end of this lesson, you should be able to describe how wastewater is treated. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/d3cd31e9-4842-4ca3-a9eb-31b4066bbbb4?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
Look at the slide below to work out the answer.