Because the mouth breaks down the food and the stomach uses acid to break food down even more
The first one 76 i think that is it
Answer:
A.
Explanation:
an atom that has most of its mass is electrons.
Answer:
Nanotechnology refers to the branch of science and engineering devoted to designing, producing, and using structures, devices, and systems by manipulating atoms and molecules at nanoscale, i.e. having one or more dimensions of the order of 100 nanometres (100 millionth of a millimetre) or less.
Explanation:
