Choose all the answers that apply. Hydrocarbons A. Are poisonous B. Combine with nitrogen oxide to create smog C. Are mostly caused by cars D. Are part of the carbon-oxygen cycle E. Form when fuel is not completely burned

it’s lava came from an explosive eruption

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