Answer:
C. adding an antioxidant
Explanation:
Apples turn brown because of an increase rate of oxidation. This happens after you slice an apple and expose it into the air. In order to prevent this from happening, it is best to add an antioxidant like lemon unto the sliced apple or soaking the apple slices in a mixture of lemon and water. You may also use pineapple juice or other citric juices because these are also antioxidants.
Antioxidants are substances that hinders the free radicals from damaging the cells therefore, preventing it from aging. When it comes to apples soaked in lemon, the antioxidants reacts with the free radicals. This reaction lessens the ability of the radicals to damage the apple cells, thereby preventing it from turning brown.
