A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column
Correct Answer: 6 meters of water Column ✔
Last Updated: August 25, 2020
A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column
Correct Answer: 6 meters of water Column ✔
Last Updated: August 25, 2020