Fill in the blanks:
The activated sludge is about .............. water.

What is activated sludge ?

Activated sludge contains

Activated sludge contains

What happens to activated sludge?

fill in the blanks .The water splitting with the ... a ... The water splitting complex is assoc1a

Primary vs Activated Sludge

Fill in the blanks: The cocoon holds worm embroyos. After about...a...weeks, each cocoon produces ...baby worms with an average of...c...