Answer:
Iron
Step-by-step explanation:
From the above options, in the question, we have foods such as:
Ice cream: which is produced from milk and it can serves as a source of protein which gives energy and carbon.
Lettuce: this is source of vitamins and minerals which provides the body with energy and carbon.
Eggs: this is a source of protein for the body and it provides the body with carbon and energy that it requires.
Iron is the substance that is not a source of energy and carbon for the body. This is because iron is an essential mineral and micro nutrient that is present in the body and requires in traces amount for the body growth. Since iron is already a mineral or nutrient as well as an element , it is not possible for it to contain carbon which is another element and it does not contain carbon.