Question

When the amount of lactic acid in the milk begins to increase, the pH drops and the casein molecules begin to clump. The high levels of lactic acid are also what give spoiled milk its characteristically sour smell. It's not uncommon for recipes to call for lemon juice or vinegar to be added to milk.

Answer 1

Answer:

ans de rhe ho ya pucch rhe ho

Answer 2

milk is lactic acid.

milk provide us energy