Beginning 1
Nutrients are absorbed by blood in tiny blood vessels.
2
Mechanical digestions using teeth, and chemical digestion using saliva.
3
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Mechanical digestion using organ walls, and chemical digestion using acids.
4
Water is removed from unused food, which is then compressed.
End

Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a