Which of the following is formed as a result of a rockfall A
a delta
B
a sand dune
C
a talus slope
D
an alluvial fan
whats the answer?
The correct answer is option C, a talus slope.
To understand why a talus slope is formed as a result of a rockfall, let's break down the options and analyze them one by one:
A) Delta: A delta is a landform created at the mouth of a river, where sediments are deposited due to the gradual slowing and spreading of the river's flow. It is not directly related to rockfall processes.
B) Sand dune: A sand dune is a hill of sand formed by wind or water action. It typically occurs in desert or coastal areas where there is a sufficient supply of sand and conditions for wind or water movement. Rockfalls do not directly create sand dunes.
C) Talus slope: A talus slope, also known as a scree slope, is a mass of loose rocks and debris that accumulate at the base of a steep slope or cliff. It is formed due to the gravitational forces acting on rocks that have fallen or been dislodged from the slope or cliff above. When rocks fall and accumulate at the base, they form a talus slope.
D) Alluvial fan: An alluvial fan is a fan-shaped deposit of sediment that is spread out by a river or stream when it abruptly slows down as it leaves a steep, narrow valley or canyon. This process is not directly related to rockfalls.
Therefore, the correct answer is C) a talus slope, as it is the specific landform that is formed as a result of a rockfall.