if something provides something else then that something nutrient the bats of that something else
dust is tangible_thing. unprepared_food is tangible_thing. pawn is tangible_thing. nutrient is tangible_thing. protein_molecule is tangible_thing. cholinesterase_enzyme is tangible_thing. nutrient is edible_thing. nucleic_acid_molecule is tangible_thing. sonic_hedgehog_protein is tangible_thing. salt is tangible_thing.