What is effluent?
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What is flocculation?
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{"type":"multi-choice","id":"10179","dataJson":{"type":"multi-choice","slide_id":53577,"key":10179,"prompt":"\u003cp\u003eWhat is flocculation?\u003c/p\u003e","validResponse":[10746],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"an outflowing of water to a natural body of water, from a structure such as a water recycling treatment plant or sewer pipe","value":10749,"fileboyId":"c2379945-6c15-4ddf-96e4-ad7c2e02abeb"},{"label":"any group of microorganisms which stick to cell surfaces","value":10748,"fileboyId":"bea1b5ad-0716-4ce7-942f-44aef3ddde7a"},{"label":"tiny bits of plastic","value":10747,"fileboyId":"3552929d-fbcc-4925-9ada-f892b28d1e6e"},{"label":"a process by which colloidal particles come out of suspension to sediment under the form of floc or flake, either spontaneously or due to the addition of a clarifying agent","value":10746,"fileboyId":"93c19b67-cd0a-43b2-a093-0aca6829c794"},{"label":"a bacterium, virus, or other microorganism that can cause disease","value":10750,"fileboyId":"d00044ad-034e-4402-8250-207af1ab8564"}],"question_data":{"body":"2. Ozone treatment. Ozone is made by passing electricity through the air and then through the water. This kills the germs, bacteria or pollutants like pesticides that might be in the water. 3. Coagulation - ferric sulfide is added to the water which makes the particles of dirt stick together, this is called flocculation. They either sink to the bottom and get drained away. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/cd730cff-54d6-42b5-b54a-d9886f2bab70?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is biofilm?
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{"type":"multi-choice","id":"10181","dataJson":{"type":"multi-choice","slide_id":53579,"key":10181,"prompt":"\u003cp\u003eWhat is biofilm?\u003c/p\u003e","validResponse":[10748],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"tiny bits of plastic","value":10747,"fileboyId":"3552929d-fbcc-4925-9ada-f892b28d1e6e"},{"label":"a bacterium, virus, or other microorganism that can cause disease","value":10750,"fileboyId":"d00044ad-034e-4402-8250-207af1ab8564"},{"label":"an outflowing of water to a natural body of water, from a structure such as a water recycling treatment plant or sewer pipe","value":10749,"fileboyId":"c2379945-6c15-4ddf-96e4-ad7c2e02abeb"},{"label":"a process by which colloidal particles come out of suspension to sediment under the form of floc or flake, either spontaneously or due to the addition of a clarifying agent","value":10746,"fileboyId":"93c19b67-cd0a-43b2-a093-0aca6829c794"},{"label":"any group of microorganisms which stick to cell surfaces","value":10748,"fileboyId":"bea1b5ad-0716-4ce7-942f-44aef3ddde7a"}],"question_data":{"body":" The potential hazards associated with microplastics come in three forms: physical particles, chemicals, and microbial pathogens as part of biofilms. Based on the limited evidence available, chemicals and biofilms associated with microplastics in drinking water pose a low concern for human health.\n","video":{"type":"fileboy","url":"13ddd6fc-3e70-4a8e-babe-c466f46ffaca"},"image_url":null},"limitChoices":{"min":1,"max":1}}}
What is a pathogen?
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What are microplastics?
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Look at the slide below to work out the answer.