Question

Tanks that collect sludge are called
tanks.
(a) clarifier
(b) digester
(C) aeration
(d) collection
TAMSJAD OUESTIONS​

Answer 1

$\huge\underline{\mathbb\red{❥A}\green{n}\mathbb\blue{S}\purple{w}\mathbb\orange{E}\pink{r}}\:$

✏️Clarifier.....✍️

Answer 2

a.)clairifier.....................