The answer is B. No don’t ask me why i just needed be answering the question so i can
Answer:
Bicarbonate buffer system
Explanation:
The human body uses a bicarbonate buffer system to maintain blood pH at a reasonable level. Without it, we'd be dead.
The lowest energy peak for Gallium will be associated with one electron. This is because the configuration of Gallium is:
[Ar], 3d¹⁰, 4s², 4p¹
The one unpaired electron in the 4p orbital is at lower energy than the pair in the 4s orbital. Therefore, it will be released easily via the photoelectric effect.
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It is the third one this is simple