Answer:
The answer is B
Explanation:
I am pretty sure, dont take my word for it
The answer is F.
An unsaturated zone is the portion of the subsurface above the ground water table where air as well as water are present in its pores.
Therefore the statement is false as the pores would not be totally filled with water.
Hope it helps!
I know it might be too late, but I believe the answer is B) US research and design with mostly Asian production.
