List three uses for algae

1. Food and supplements: Algae are rich in nutrients such as vitamins, minerals, and antioxidants, making them a popular source of food for humans and animals. Algae-based supplements are also used for their potential health benefits.

2. Biofuel production: Algae can be converted into biofuels such as biodiesel, ethanol, and biogas. Algal biofuels are considered a more sustainable alternative to fossil fuels, as they can be produced quickly and efficiently.

3. Wastewater treatment: Algae have the ability to absorb and metabolize nutrients and pollutants from wastewater, making them useful in wastewater treatment processes. Algal wastewater treatment systems can help remove contaminants and improve water quality.