¿Cómo se le llama a la situación creada por la presencia en el ambiente de sustancias o formas de energía, en tal cantidad y con una duración tal de su acción, que son susceptibles a provocar efectos perjudiciales?

enzyme speed up the reactions

the answer is: metamorphic rocks often show the presence of fossils, also a

hope i

-lavira: )

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