Question

Some vitamins are mostly found in animal-based foods, while some vitamins are abundant in plant-based foods. The best source of vitamin C is , while is naturally rich in vitamin B12.

Answer 1

all animal products are rich in B 12 and vitamin C is all citrus fruits
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Answer 2

Citrus fruit is the answer.

Citrus is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops like oranges, lemons, grapefruit, pomelo and limes. The most recent research indicates an origin in the Himalayas