Q: Is a valley a low area between hills? ¶
A: Yes, and often with a river running through it.
Q: Were valleys formed by subglacial erosion by water? ¶
Q: Are valleys rather V than U-shaped? ¶
A: Yes, near the mouth waterfalls are possible if it is a hanging valley.
Q: Are valleys parallel to each other? ¶
A: Yes, and additionally they are hanging.
Q: Are valleys found in every mountainous region that has experienced glaciation? ¶
A: Yes, and usually during the Pleistocene ice ages.
Q: Are valleys eroded and deepened by glaciers or erosion at a slower rate than that of the main valley floor? ¶
A: Yes, and thus the difference in the two valleys' depth increases over time.
Q: Is a valley left with very steep sides and a wide? ¶
A: Yes, and flat floor.
Q: Is a valley a large? ¶
A: Yes, and long, U-shaped valley originally cut under the glacial ice near the margin of continental ice sheets such as that now covering Antarctica and formerly covering portions of all continents during past glacial ages.
Q: Are valleys also simply the product of varying rates of erosion of the main valley and the tributary valleys? ¶
Q: Is a valley broad – independent of the U or V shape? ¶
Q: Is a valley known as a dell or in Scotland as a glen? ¶
Q: Is a valley known as a cwm? ¶
A: Yes, Similar geological structures, such as canyons, ravines, gorges, gullies, chines and kloofs, are not usually referred to as valleys.
Q: Is a valley a tributary valley that is higher than the main valley? ¶