Ответ на вопрос: 1. The ______ of foods is very ______ (состав; сложный). 2. The body consists of various ______ elements (химических). 3. The ______ function of food is to supply the body with ______ (главная; энергией). 4. The ______ made by food to the body depends upon its ______ and the ability of the body to ______ them (вклад; составляющих; использовать). 5. ______ were trying to learn what food had to be used in daily ______ (физиологи; питании/диете). 6. Starch is built by the ______ of carbon, hydrogen and oxygen in the plant (соединением). 7. The ______ of sugar by the plant is the ______ of many ______ elements (производство; синтез; органических). 8. The variety in the quality of proteins has resulted in their ______ as complete, partially complete and incomplete.