Performe The following operation express the answer in scientific notation 6.900x10^10/4.000x10^8

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol

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.