Which of the following is a common example of a superimposed boundary?

Pre-existing boundaries, commonly corresponding to physical features such as rivers, lakes and mountains are called ___

This illustrates which of the following boundaries

Many of the boundaries between European states are ___

Much of the border between Canada and the United States could defined as a _____________ boundary.

The boundaries between Pakistan and India are best described as _____________ boundaries.

Which of the following boundary types does this map best illustrate?

Which of the following illustrates a geometric boundary?

Established prior to human cultural development and may include physical features such as rivers or mountains.