The removal of excess water from the sub-soil is known as? by Sunday | Jun 6 | Agricultural Science WAEC | 0 comments A. irrigation B. drainage C. evaporations D. dehydration Correct Answer: Option B B. drainage Users Also Read These:The removal of soil or rocks particles by wind or…A quantity of water at 20ºC is mixed with another…Methanoic acid mixes with water in all proportions…The presence of excess water in the colloids of soil…A quantity of hot water at 100ºC is added to 400g of…