I believe the correct word to fill in the blank is water. In moist climates, water tends to dissolve limestone near the surface, resulting in cave formation since limestone is soluble to water. Hope this answers the question. Have a nice day.
The Coriolis effect is the direct result of the earth's constant motion around its axis and in which he objects are deflected towards the right in the northern hemisphere and to left in the southern hemisphere. It is also called as an initial or fictitious force with reference to clockwise rotation.
