The black cotton soil________

A)
swells excessively when wet
B)
shrinks excessively when dry
C)
undergoes volumetric changes
D)
All of the above

Correct Answer :   All of the above


Explanation :

* swells excessively when wet
* shrinks excessively when dry
* undergoes volumetric changes
* has a tendency of swelling and shrinking due to clay particles