use own words
Answer:
Algae are economically important in a variety of ways. The natural substance can be used as a food source, a fodder, in fish farming, and as a fertilizer. It also plays a key role in alkaline reclaiming, can be used as a soil binding agent, and is used in a variety of commercial products.
Step-by-step explanation:
my own words:
algae is helpful for the economics because is a good resource for everyday living an example is ,in fish farming.food source and many more .