Pop the sewage treatment words

Exercise and reference answers

Other terms

1. Curd
2. Toddy
3. Statin
4. Ladybird

Matching terms

1. Flocs
2. BOD
3. Aeration tank
4. Sludge
5. Digester
6. Effluent

Instructions

Pop the words about sewage treatment. Leave the other words.

Explanation