The least bearing capacity of soil is that of A. Hard rock B. Moist clay C. Soft rock D. Coarse sandy soil

The correct answer is: B. Moist clay

Moist clay has the least bearing capacity of the given options. This is because clay is a fine-grained soil that has a high water content. When clay is wet, it becomes very soft and can easily deform under pressure. This makes it unsuitable for use as a foundation material, as it would not be able to support the weight of a structure without sinking or settling.

Hard rock, soft rock, and coarse sandy soil all have a higher bearing capacity than moist

clay. Hard rock is the most stable type of soil, as it is made up of tightly packed minerals. Soft rock is less stable than hard rock, but it is still more stable than moist clay. Coarse sandy soil is the least stable type of soil out of the four options, but it is still more stable than moist clay.

In conclusion, the least bearing capacity of soil is that of moist clay. This is because clay is a fine-grained soil that has a high water content. When clay

is wet, it becomes very soft and can easily deform under pressure. This makes it unsuitable for use as a foundation material, as it would not be able to support the weight of a structure without sinking or settling.