Question

a proper drainnage system protect us from _____​

Answer 1

ANSWER:

A drainage system not only protects land from potential flooding, but also provides the benefit of harvesting rainfall, allowing water to easily percolate into the aquifers.

Explanation:

Drainage systems are designed to dispose of wastewater as quickly as possible and should prevent gases from sewers and septic tanks from entering residential areas. Residential drainage systems remove excess water from residential area