Assertion: Solid wastes cause frequent nuisance.
Reasoning: These wastes, as and when are carelessly handled, spread by wind and splittered through rainwater.

Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

Solid wastes cause health hazards through the creation of obnoxious smells and harbouring of flies and rodents, which act as carriers of diseases like typhoid, diphtheria, diarrhoea, malaria and cholera, etc. These wastes cause a frequent nuisance as and when they are carelessly handled, spread by wind and splittered through rainwater.