In order to obtain a good quality of undisturbed soil the area ratio of the sampling tube should be

In order to obtain a good quality of undisturbed soil the area ratio o

1.	In order to obtain a good quality of undisturbed soil the area ratio of the sampling tube should be
A.	8%
B.	16%
C.	24%
D.	32%
Answer» B. 16%

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In order to obtain a good quality of undisturbed soil the area ratio of the sampling tube should be

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