Identify two prepositional phrases and how they function in "The substances dergoing reaction are called reactants, and their formulas are placed on the ft side of the equation." on the left side - adverb modifying the verb, placed; of the equation - adjective modifying the noun, side on the left side - adverb modifying the verb, placed; of the equation-adverb modifying left side undergoing reactions - adjective modifying reactions, placed on the left side - adverb modifying are Identify two prepositional phrases and how they function in "The relative umbers of reactant and product species are represented by coefficients." of reactant and product species - adjective modifying numbers; by coefficients - adverb modifying represented of reactant and product species - adjective modifying numbers; by coefficients - adjective modifying species numbers of reactant and product - adjective modifying relative; by coefficients - adverb species