Ocuurs when physical forces break rock into smaller and smaller pieces without changing the rock's mineral composition
the mechanical break up of rock caused by the expansion of freezing water in craks and crevices
reduces pressure on igneous rock
The activity of organism breaks rocks
th elayer or rock and mineral fragmnets that covers most of the earth's land surface
the part of the regolith that supports the gwoth of palnts
zones or layes of the soil
a vertical thought all the soil horizontal
the transfer of rock and soil downslope due to gravity
rock or rock fragments fall freely thought the air
a block of material moves suddenly along a flat inclined surface
Freezing water liftes particles to the slopw and thawing allows the particles to fall back to a lower level
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