\\\\(\ extbf{Solution}\\\\) \\\\(\\bullet\\\\) All the food items does not contain all the required nutrients for our body. When we are consuming a particular meal, there are variety of food items which contains various nutrients method needed by our body in optimum amounts.\\\\(\\bullet\\\\) There is no particular food item which contains all the nutrients required by our body. Different food are obtained from different sources due to which they have different type of nutrients present in them.\\\\(\\bullet\\\\) In order to get all the required nutrients we must consume a variety of food items in our meal. We can conclude that all food item does not contain all the required nutrients.