Which of the following represents a chemical change during digestion? Absorption of water and minerals occurs in the large intestine.

Stomach muscles break down food into small pieces.

Liver enzymes break down food for absorption in the small intestine.

Waste products are released through excretion.

How will the emission of an alpha particle affect the atomic number of an atom

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.