Answer:
Explanation:
The blood agglutinate or clots
This does not happen when serum containing B antibodies is added to red blood cells carrying the A antigen because an antibody reacts only with its specific antigen and no other.
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B would be the correct answer
The correct answer is B. prevent oxidation
Oxidation is bad for the wine, while sedimentation is regular. Speed of fermentation has nothing to do with oxygen.