A. the principle of test
B. the method of taking observations
C. the method of preparation of soil suspension
D. all of the above
Correct Answer: the method of taking observations ✔
Last Updated: January 13, 2019
A. the principle of test
B. the method of taking observations
C. the method of preparation of soil suspension
D. all of the above
Correct Answer: the method of taking observations ✔
Last Updated: January 13, 2019