Water is split and oxygen is released in A: photosystem I.
B: the Calvin cyde reactions.
C: the light-dependent reactions.
D: the electron transport chain.
E: the cydic electron pathway.

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral