Question

economic uses of algae

Answer 1

Marine algae, as primary producers, are ecologically important, and economically have been used as food and medicines for centuries. Today, various species of marine algae provide not only food but also produce extracts such as agar, carrageenans, and alginates. These extracts are used in numerous food, pharmaceutical, cosmetic, and industrial applications.

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Answer 2

They have been used as food and medicine for so many centuries.