Which of the following is a method for separating a mixture a) using paper chromatography to separate pigments by density b) using decanting to pour liquid off a solid c) using electrolysis to separate oxygen and hydrogen from water molecules d) a and b e) all of the above

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.