They often appear saucer-shaped but can look like cones, cylindrical potholes or deeper ... The soluble rocks form karst – a landscape associated with underground caves and sinkholes.

Or excuse me, a cenote, C-E-N-O-T-E, is a natural depression or hole in the Earth's surface caused by karst processes ... reflexive pronouns. Bristol cone pines are examples of seeds that are ...

They often appear saucer-shaped but can look like cones, cylindrical potholes or deeper shafts upon ... The soluble rocks form karst – a landscape associated with underground caves and sinkholes. If ...