The action of bile can be termed as
Emulsification
The correct option is D:
Explanation of correct option:
Explanation of incorrect options:
Option A:
Oxidation is a chemical reaction that results in the loss of one or more electrons in an atom or molecule.
Option B:
Option C:
Hydrogenation is the transfer of hydrogen atoms from gaseous hydrogenation or other hydrogenation sources to unsaturated molecules (e.g. hydrazine, formic acid, dihydro naphthalene isopropyl alcohol).
Final answer: The action of bile can be termed emulsification.