If a skin cell takes 3 hours to divide, how many skin cells will there be after 15 hours?

the correct answer is c   with the systems

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

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