1. Show that a mountain that can be approximated by a box will exist for about 329 million years. 2. Are karst mountains depositional or erosional landforms? Explain. 3. Which of these two valleys...

1. Show that a mountain that can be approximated by a box

will exist for about 329 million years.

2. Are karst mountains depositional or erosional landforms? Explain.

3. Which of these two valleys was carved by a stream? Which was carved by a glacier? What is your evidence?