what are some common sources of carbohydrates
potatoes, oils, deep-fat-fried-foods, high-starch foods, etc.
beef
Generally, the carbohydrates.
Beef and other animal proteins generally have no carbohydrates.
carbon, hydrogen and oxygen
Protein, carbohydrates and lipids
Coal
fiber
Starch
Meat and Cheese
gas hydrates
Obviously carrots would be. i believe it is starch
Coal, oil and natural gas are Americas most "readily" usable and presently abundant sources of energy.