https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:aquatic-and-terrestrial-pollution/x0b0e430a38ebd23f:waste-disposal-reduction-and-treatment/v/ap-es-sewage-treatment 2024-06-21T23:15:14.703721694Z Sewage treatment The process of waste disposal, reduction, and treatment involves primary, secondary, and sometimes tertiary treatments. Primary treatment physically removes large objects, while secondary treatment uses aerobic bacteria to break down organic waste. Tertiary treatment, though not always used due to cost, targets specific wastewater components for removal. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/09af1cda-eb97-461f-8326-3c1946c6a972_1280_720_base.png Sewage treatment The process of waste disposal, reduction, and treatment involves primary, secondary, and sometimes tertiary treatments. Primary treatment physically removes large objects, while secondary treatment uses aerobic bacteria to break down organic waste. Tertiary treatment, though not always used due to cost, targets specific wastewater components for removal. https://cdn.kastatic.org/ka-youtube-converted/_a8Mbkt_o80.mp4/_a8Mbkt_o80.mp4 293 Waste Disposal https://www.khanacademy.org/science/od-class-6-science-bridge-course/x2aff4c1317c56c62:waste-disposal/x2aff4c1317c56c62:untitled-77/v/solid-waste-disposal-in 2025-05-24T05:46:47.091500703Z Solid waste disposal Let's learn how solid waste is disposed! Dubverse video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Solid waste disposal Let's learn how solid waste is disposed! https://cdn.kastatic.org/ka-youtube-converted/q2xiutLOl1k.mp4/q2xiutLOl1k.mp4 476 Waste Disposal https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:aquatic-and-terrestrial-pollution/x0b0e430a38ebd23f:waste-disposal-reduction-and-treatment/e/waste-disposal-reduction-and-treatment 2022-09-07T01:03:50.067296221Z Waste disposal, reduction, and treatment Apply your understanding of waste disposal, reduction, and treatment in this set of free practice questions aligned to AP standards. exercise