Should be Polygenic inheritance... which is a type of incomplete dominance
Digestion starts in the mouth when you're chewing, then the stomach, then small intestines.
The answer is A, a mountain building.
The two faces of the book represent the tectonic plates
As he presses them towards each other he is modeling a convergent boundary, and mountains are an affect of convergent plates.
Clay because it’s a mixture of dirt and runoff/water