Answer:
A sinkhole lake forms by The formation begins with the subsurface dissolution of limestone, ultimately leading to surface collapse. As sediments are washed into the depression, the sinkhole becomes plugged.
Answer:
northwest
Explanation:
Both the Tug Hill Plateau and the Catskills are located in the northeastern part of the United States. Relative to each other though, the Tug Hill Plateau is located northwest of the Catskills, while the Catskills are located on the southeast of the Tug Hill Plateau.
The Tug Hill Plateau is a highland region. Despite the name it is not a plateau, but instead it is a cuesta. It is composed of sedimentary rocks. The regions has very beautiful surroundings and beautiful nature. It is one of the places in the United States with the most snowfall in winter.
The Catskills are mountains that are part of the Appalachian Mountain Range. They are not very high, instead they can be considered as small elevation mountains. The Catskills have very dense forests, and they have lot of rivers and streams cutting through them.
Both of these places are very attractive destination for the weekend or for vacations of the people of the surrounding area.
An archipelago...........
As I said in your other post/question on the same topic, you have to rephrase your question in order for us to help you. =)