Symptoms usually appear 30–60 minutes after eating toxic shellfish and includenumbness and tingling of the face, lips, tongue, arms, and legs. There may beheadache, nausea, vomiting, and diarrhea.
Okay so nothing equals nothing so after that you get nothing
the answer would be b because b is the only one that changes while a and c does not change for their type.
hope this helps! ❤ from peachimin :)