Mechanical digestion is the breaking down of food into smaller pieces physically. Mechanical digestion begins in the mouth as the food is chewed.
but in the case of chemical digestion, it breaks the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.
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and ur welcm
C is the correct answer because biotic means living and abiotic is nonliving so the elk fighting is only living creatures
The number of neutrons in each atom
Answer:
The composition of the matter stays the same.
Explanation:
I am pretty sure that this is the answer because the matter itself is not changing, it is simply changing shape. it would only be a chemical change f the composition of the matter changed.
Answer:
A. it is found on articular surfaces of bone
