The % daily values found in a food label are based on

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Which lists the organs in the correct order as food passes from the mouth to anus?

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?