Answer:
Weird question but ok...
Explanation:
The bacteria digest the milk sugar (lactose), producing lactic acid as a result. Lactic acid causes the casein to curdle, or separate into lumps, and gives the milk a sour smell. Cheese is made the same way — by curdling milk — except the milk is curdled on purpose. Most cheese is made in factories.
Balance and symmetry I think
Cause it does not have but it is another word for because
It's harmony because of the complementary colors and the way the figures are proportioned in the piece.