B. The continents on a map looked like they fit together.
A is the theory he proposed <em>after</em> making this observation
C and D would disprove his theory, not support it.
Answer: The answer is D. All three types of rocks, igneous, sedimentary, and metamorphic
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.
Very long ...........i think.....