4. Which energy resource, once depleted, is essentially nonrenewable? O A. Coal
O B. Solar
O C. Biomass
O D. Wind
Help :(

what's the question ?

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