I believe the answer you're looking for is Evolution.
D. Eating foods full of sodium, salts, fats and sugars can contribute to all of these.
The system is called Taxonomy and was made by Swedish botanist Carlous Linnaeus
Answer:
C. Ethanol, ammonium chloride, phosphate buffer, magnesium sulfate, calcium chloride, trace elements
Explanation:
Acetobacter must have a sufficient supply of oxygen and cannot grow in its absence. Colonies of acetobacter can be detected by a culture media containing ethanol as carbon source, the acid produce by the bacteria will dissolve the chalk thereby leaving a clear zone around the colony.