Sewage treatment | Aquatic and Terrestrial Pollution | AP Environmental Science | Khan Academy скачать в хорошем качестве

Sewage treatment | Aquatic and Terrestrial Pollution | AP Environmental Science | Khan Academy

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/science/a... Describes best practices in wastewater treatment. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate Volunteer here: https://www.khanacademy.org/contribute