the diagram below shows two waves. at which letter (a-d) on the diagram is constructive interference going to occur?

hey, what do you need . just post the question and i may be able to you : )

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