Answer:
The open cavities and caves of limestone aquifers.
Explanation:
This is In general where Aquifers occur may help you
<span>When two continental plates crash into each other, they crumple and fold. The crust is forced up, and mountains form, and earthquakes happen.</span>
European Crusaders came from all the following countries except India. The correct option among all the options that are given in the question is the fourth option or option "d". The other options can be easily negated.
