Answer:
Constructive refers to forming a new thing while destructive refers to broken down a substance.
Explanation:
Constructive food process is a type of process in which a new food is formed from the combination of different types of raw materials such as formation of sugar and cornflakes etc., while destructive food process is a type of process in which foods are broken down into other simpler substances such as carbohydrates or starch broken down into glucose or disaccharide etc.
