The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as

Let U be the set of all students who took part in the survey. Let T be the set of students taking tea. Let C be the set of students...

(a) Burning of wood and coal causes pollution of air.  (b) A liquid fuel used in homes is LPG.  (c) Fuel must be heated to its ignition temperature before it starts burning.  (d)...

The plants growing near the boundary wall act as barriers for sound pollution and act as dust catchers.

The plants growing near the boundary wall act as barriers for sound pollution and act as dust catchers.

(c) Both biogas and sludge

Correct sequence – (c), (e), (d), (b), (a).

Let U be the set of all students who took part in the survey. Let T be the set of students taking tea. Let C be the set of students taking coffee. Accordingly,...

The correct answer is (2) l∝ 1/r2

d. oxidation pond.

d. Suspended solids