A Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â sample has preserved natural structure of soil.

A Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â�

1.	A Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â sample has preserved natural structure of soil.
A.	undisturbed
B.	disturbed
C.	non-representative
D.	remoulded
Answer» B. disturbed