Malnutrition can affect every system in the body, depending upon the cause of the malnutrition. In mild to moderate cases of malnutrition, no symptoms or signs may be evident; however, as the condition persists, the signs and symptoms will become more pronounced.
1 The mass and size of the molecules in a liquid and how closely they are packed together determine the density of the liquid. 2  Just like a solid, the density of a liquid equals the mass of the liquid divided by its volume; D = m/v.  The density of water is 1 gram per cubic centimeter.
Density. Density is the mass per unit volume. This means that the density of any solid, liquid or gas can be found by dividing its mass in kilograms by its volume in cubic metres. Density can be found using the equation: 1  The unit for density is kg m -3. 2  The density of water is approximately 1000 kg m -3 and air is approximately 1.3 kg m -3.his means that the density of any solid, liquid or gas can be found by dividing its mass in kilograms by its volume in cubic metres. Density can be found using the equation: 1  The unit for density is kg m -3. 2  The density of water is approximately 1000 kg m -3 and air is approximately 1.3 kg m -3.