Create a custom practice set
Pick category, difficulty, number of questions, and time limit. Start instantly with your own quiz.
Generate QuizGK Question
Which process forms an 'esker'?
- River deposition
- Glacial deposition
- Wind deposition
- Coastal deposition
Answer: Glacial deposition
Eskers are long, winding ridges of sand and gravel deposited by meltwater streams flowing within or under glaciers. They indicate former ice flow directions. Eskers are common in Scandinavia, Canada, and parts of North America.