Q62
What causes the formation of terraces in river valleys?
A.
Sediment deposition during floods
B.
Repeated glacier advance and retreat
C.
Changes in base level or uplift
AnswerD.
Lava flow accumulation
Answer: Option C
Solution
Answer: Option C
Solution:
River terraces form when a river cuts into its own floodplain due to tectonic uplift or a fall in sea level (base level), leaving behind step-like landforms.