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.
This macronutrient is the primary source of energy for cells throughout your body. If you typically consume around 1,800 calories per day, you need 202 to 293 grams of carbohydrates. A 1/4 cup of dried cranberries has about 25 grams of carbohydrates, which offer 4 calories per gram.