A drainage system that is additional to the normal one.
An improper drainage system would be anything that allowed sewage to drain directly onto the ground. This would cause contamination of the ground and make people sick if they were to come in contact with it.
Due to the improper drainage system near to the sea coast, Mumbai is a place of frequent floods.
they are still building a drainage system
The drainage system of harappan civilization was very well civilized system
Intracranial
Yes,it does.The Indus Valley Civilisation drainage system is a roadside type of drainage.
it means what does the fox say
Understand the definition - improper means not proper. Then make a sentence When that kid sneezed, it was improper of him to not cover his mouth
digestive system
soemthing that holds up something that is trying to be drained
There are lots of possible answers,A drainage basinA watershedA drainage systemDendritic drainage patternTrellis drainage patternParallel drainage patternRectangular drainage patternRadial drainage patternAnnular drainage patternDiscordant drainage patternA spring headTributariesConfluencesA river system