Weathering
erosion
The process of breaking down the rock material without changing its chemical composition is called mechanical weathering.
Mechanical weathering.
Mechanical weathering.
Physical weathering!
Cellulase - breaks down vegetables and cellulose material
Erosion
Physical (also referred to as mechanical) weathering does not cause a change in the chemistry of a rock, only a diminution of size.
Bacteria.
Definately not. If we eat something as a solid and it breaks down in our body through chemical and physical means... we won't be able to do that anymore.
Kingdom Fungi
decomposers