In paragraph 6, what is the most likely reason the author includes the that seaweed is "Indispensable"?

To convince the reader that it is a good idea to eat more seaweed

To introduce the idea that seaweed is useful in nonfood products

To reveal the secret properties found in seaweed

To express a reason why seaweed has a unique flavor

9

In the passage seaweed the secret ingredient

is actually not mentioned.