b. Original horizontality
Hope this helps!
All 3 sciences, geology, criminology and psychology in human geography, oceanography (if thats a thing), vulcanology
Answer:
Additional housing will be needed, More schools will open, More roads will be built.
Explanation:
If the reservoir has a dam, then it is A. But since your asking about just a reservoir, then the answer is B. If you think about it, a reservoir is almost like a lake, and it can overflow as well.