PLEASSSSEEEE
Milk is poured into a cup of black coffee, and the two liquids mix together spontaneously. As explained by the second law of thermodynamics, separating the milk and coffee is a task that _____.
A. can be accomplished only with an input of energy
B. cannot be accomplished under any circumstances
C. will occur spontaneously over a long enough period of time
D. might occur spontaneously at a certain temperature and volume