I am not absolutely sure what you are asking but I have a feeling that the word you are looking for is 'scree'! I hope that this was useful! ;0
Talus Slope.
No, the wall cloud is a lowered section of the cloud base from which a tornado or funnel cloud descends. The dark cloud at the base of a tornado is called the debris cloud.
There is no particular term for the bottom of a tornado. The base of a tornado may be shrouded in a debris cloud.
Wave-cut cliff
Well sediment collects at the bases of cliffs that have been eroded. This is not to be confused with weathering which removes part of a surface but leaves no sediment. At the base of the cliff could be a weaker point of the cliff because of erosion.
Talus Slope.
cliff erosion begins at the base, erodes a notch from the bottom and removes fallen debris. this produces instability and results on constant recession.
Yes, the base word for debris is "debr-" which comes from the French word "débris" meaning remains or fragments.
A pile of stones that were once part of a large boulder, or talus at the base of a mountain. Scree or rubble volcanic debris is called cinders
No, the wall cloud is a lowered section of the cloud base from which a tornado or funnel cloud descends. The dark cloud at the base of a tornado is called the debris cloud.
wind blowing at the edge of the cliff AND waves pounding the base of the cliff will cause a cliff to collapse
There is no particular term for the bottom of a tornado. The base of a tornado may be shrouded in a debris cloud.
The person has probably fallen from the top of the cliff and is lying at the base,or foot, of the cliff
detrital slope
This may be known as a scree slope or a talus pile. Talus and scree are normally used interchangeably, however scree normally refers to material of gravel size or smaller and talus to larger debris.
scree
Waves pounding the base of the cliff.