What is the difference between compost and humus? (Select all that apply.) humus occurs in nature unaided by humans
compost does not break down the elements as well as humus does
humus does not break down the elements as well as compost does
compost occurs in nature unaided by humans

If I could help, I would, I'm so sorry

prism b but im not for sure

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