Question

what is a drainage????​

Answer 1

Here is your answer ⤵⤵⤵

Drainage is a term which describes the river system of an area.

HOPE IT HELPS YOU ☺☺ !!!

Answer 2

Answer:

Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess of water. The internal drainage of most agricultural soils is good enough to prevent severe waterlogging (anaerobic conditions that harm root growth), but many soils need artificial drainage to improve production or to manage water supplies