The term convection generally refers to the movement of fluids, meaning liquids and gases, but in the earth sciences, convection also can be used to describe processes that occur in the solid earth. This geologic convection, as it is known, drives the plate movement that is one of the key aspects of plate tectonics.
The recommended range is 45 â 65% of calories as carbohydrate. For example, if you eat 1600 calories per day, and 50% of those calories are carbohydrate, you would eat 200 grams per day. Athletes need to eat at the high end of the carbohydrate range, to fuel training and competition.
Good Source: To be a good source, one serving of the food must contain 10-19% of the daily value of that nutrient. High: A high source of a nutrient, is a food that contains 20% or more of it than the daily value. The label can also say the food is rich in or is an excellent source of the nutrient. No Added Sugar: This means no sugars were added while the food was being prepared. This also means that this food takes the place of a regular food that is usually much higher in sugar content.