This passage from chapter 4 of The Story of My Life is an example of whích stage of plot?

The most important day I remember in all my life is the one
on which my teacher, Anne Mansfield Sullivan, came to
me. I am filled with wonder when I consider the
immeasurable contrasts between the two lives which it
connects. It was the third of March, 1887, three months
before I was seven years
old.

O A. Conflict
O B. Exposition
O c. Climax
O D. Conclusion

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 

the answer is :

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.