Question 18 of 25 How do the coefficients in a balanced equation compare quantities of two substances? A. The ratio of the substances coefficients equals the ratio of their numbers of moles, B. The ratio of the coefficients equals the ratio of the masses of the substances C. The sum of the coefficients of the reactants equals the sum of the products D. The coefficient of the reactant tells how many product molecules will form SUBMIT

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

the correct answer is d