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a layer in a soil profile
The solid layer of rock beneath the soil
material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)
A rock formation that is the source of soil
soil that is blown or washed away from its parent rock
partially decomposed organic matter
the soil quality that is based on the proportions of soil particles
The process that breaks down rock through chemical changes
The type of weathering in which rock is physically broken into smaller pieces
weathering that changes the shape and size of rocks without changing the physical makeup of the rock
carving small, flat plots of land from hillsides
wet and hot
Chem. weathering is most rapid in areas that are...
formed when waves erode and undercut rock to produce steep slops