In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to_________________?

(A) increase the depth of foundation (X)
(B) drain the soil (X)
(C) compact the soil (X)
(D) replace the poor soil ()

Answers: In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to replace the poor soil.