The speed is affected by the climate and the composition of the rock, and to some degree, plate tectonics.
The exposed rock may get erosion. It can also be home to many things.
it turns into sediment
It breaks down sediment rock
It breaks down rock, creating sediment
Weathering
all the mechanical and chemical that breaks down rock
The step right before is when erosion breaks down rock.
lichens
Weathering
because they have very calm emotions inside and fast rock breaks that sence of peace
It breaks down and the cycle starts again
The step right before is when erosion breaks down rock.