Answer:
The most appropriate answer would be C.) Potentially renewable.
Kelp is large brown algae which are used for various commercial uses such as in the production of soap and glass, kelp derived alginate is used in products such as jelly, ice cream, toothpaste et cetera.
These are considered as potentially renewable sources as they can grow rapidly in nature, however, they require special attention and management to maintain their renewal potential for human uses.
