ScienceCLASS 7CBSE
answered 27 Mar 2026Sewage is mainly a (a) liquid waste. (b) solid waste. (c) gaseous waste. (d) mixture of solid and gas.
A.VERIFIED ANSWERfact-checked by tutors
Soln:
The answer is (a) liquid waste.
Explanation:
Sewage water is the wastewater that includes domestic and industrial liquid wastes. It contains various suspended solids and harmful microorganisms.