ppt, 241.5 KB
ppt, 241.5 KB

DESIGNED FOR SCOTTISH STANDARD GRADE BIOLOGY COURSE Animation/diagram showing journey of waste from toilet to purification. Includes settlement tank, sludge treatment, biological filtration and activated sludge.

Creative Commons "NoDerivatives"

Reviews

4.9

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immayeetmyself

4 years ago
4

nice

pinktes

4 years ago
5

SciHQ

6 years ago
5

Excellent. Saved me a lot of time!

jigglypuff

7 years ago
5

mamta2772

9 years ago
5

Fab resource!...exactly what was needed..thank you

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