The wearing away of rock by rock particles carried by water, ice, wind, or gravity.

Which horizon contains the bedrock that has begun to weather and break into smaller particles.

Which horizon is formed as plants add organic materials from the humus above to the soil and plant roots weather rock?

The solid rock layer beneath the soil which is also the most common component of the soil.

The layer of soil formed when rain washes material down from the A horizon (topsoil).

crumbly, dark brown soil that is a mixture of humus, clay, and other materials.

the process that breaks down rocks and other substances

usually consists of clay and other particles of rock

the process of wearing down and carrying away rock

The agents of which type of weathering include water, oxygen, carbon dioxide, living organisms, and acid rain?

Which form of mechanical weathering involves water freezing and thawing in cracks in the rock that eventually break apart the rock?