Question

give one important use of algae
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Answer 1

Answer:

Fertilizer. Algae has long been used to fertilise crops as they provide a rich source of nutrients and organic matter. Algae can be directly deposited on the land where it decomposes or algae extract can be sprayed on the crops.

Answer 2

algae ahelps in maintaining the health of the marine ecosystem because algae are naturally absorbent of carbon dioxide and also provide oxygen to the water. Fertilizer: Algae are rich in minerals and vitamins. So they also used as liquid fertilizer which helps in the repairing level of nitrogen present in the soil.