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.
Top 5 Sources of Good Fats. Fat is one of the macronutrients providing the body with energy and essential nutrients. Fat is the most energy dense of the macronutrients providing nine calories per gram versus four calories per gram found in carbohydrates and proteins.nsaturated fats, also known as healthy or good fats, decrease cholesterol levels and reduce the risk of developing cardiovascular disease. Cutting all fats out of your diet results in missing out on some important health benefits. 1. Fish. Fish is a great source of unsaturated fat and lean protein.