I don't really understand your statement
Vitamin B plays an important role in the human body. Vitamin B forms an important portion of the co-enzymes which is an important enzyme. Co-enzymes Vitamin B12 also plays role in various metabolic processes such as fat metabolism, carbohydrate metabolism and protein metabolism.
Answer:
Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
Explanation:
Your answer would be C hope this helps friend ^^
Well fishermen like to catch fish so upwelling off the coast of Peru provides lots of fish
