When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as:

When the plastic limit of a soil is greater than the liquid limit, the

1.	When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as:
A.	1
B.	Negative
C.	Zero
D.	Non-Plastic (NP)
Answer» D. Non-Plastic (NP)