Match the following.

List I
  1. Pingo
  2. Arroya
  3. Alas
  4. Yazoo
List II
  • a large, steep-sided flatbottomed depression in a periglacial area.
  • a dome-shaped hill found in Permafrost areas.
  • a gully which is rectangular, rather than V-shaped.
  • a tributary stream which does not join the main stream directly but runs parallel to it.
Correct Answers
1. a dome-shaped hill found in Permafrost areas. 2. a gully which is rectangular, rather than V-shaped. 3. a large, steep-sided flatbottomed depression in a periglacial area. 4. a tributary stream which does not join the main stream directly but runs parallel to it.