Answer:
Among the popular food items listed, sushi (seaweed) contains the most iodide. Seaweed is a natural source of iodine and is commonly used in sushi preparations. Iodine is an essential mineral required for the synthesis of thyroid hormones, which play a crucial role in regulating metabolism.
While the other food items mentioned also have nutritional value, they do not contain as high a concentration of iodide as seaweed. Avocado, coconut oil, and sweet potatoes are not significant sources of iodine in comparison to seaweed.
It's worth noting that the iodide content may vary depending on the type and preparation of seaweed used in sushi. Nevertheless, when considering the options given, sushi (seaweed) would be the best choice for obtaining iodide.
Step-by-step explanation: