Its just the physical action i think.
Mechanical erosion.
Mechanical action.
Mechanical action.
mechanical or physical weathering
Mechanical digestion refers to the physical action of breaking down food into smaller parts.
Double action revolver
Chemical weathering
Frost action is a type of mechanical weathering. It occurs when water seeps into cracks in rocks, freezes, expands, and causes the rock to break apart.
Mechanical weathering is when rocks are worn away by physical action, ex: a river running past.
Mechanical weathering is when rocks are worn away by physical action, ex: a river running past.
The churning action of the stomach wall accomplishes mechanical digestion. Mechanical digestion begins in the mouth and along with chemical digestion, ends in the small intestine.