Fats (lipids) have the greatest calorific density, whether they are oils or animal fats.
It all depends on the density of the nutrient . the nutrient would half to be at such a density to be able to float in the air as gases do.
Nutrient density refers to how nutritious a certain food can be. Nutrient density refers to all different kinds of foods.
Nutrient Density
Steel has the greatest density of the three.
Mercury has the greatest density as a liquid in room temperture.
The Earth has the greatest average density, of all the planets.
phosphorus
Foliar fertilizers are fertilizers that are applied to boost nutrient density in crops and to correct nutrient deficiencies.
Nutrient dense food- is defined as the density of nutrients to kcalories. Nutrient dense foods provide more nutrients relative to kcalories.
Nutrient? That would be fat. But if you mean substance, that would be water.
nutrient density
Fat. 9kcal/g