forming a carbohydrate requires certain land digestion
carbohydrate is organic_matter. carbohydrate is not organic_matter. carbohydrate is not nutrient. cereal has lots_of_carbohydrates pollen_grain is gametophyte. ribose is carbohydrate. carbohydrate is molecular_material. wood_sugar is carbohydrate. carbohydrate_loading is diet. carbohydrate is nutrient.