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(i) kelps- obtained from brown algae, are sources of iodine and potassium.
(ii)blue-green algae like ANABAENA and NOSTOC are able to fix nitrogen in the form of nitrates and thus increase the fertility of soil..
(iii) an antibiotic CHLORELLIN is obtained from the algae Chlorella..
(iv) red algae is used in the preparation of agar agar , which is used in jellies and ice-creams..
(v)iodine is produced by the brown algae- Laminaria which occurs in sea....
(vi)diatoms- obtained from green algae are used to make metal polish,porcelain, toothpaste, glass, etc........
- Algae are a source of biofuels, such as biodiesel.
- Algae are used in food and supplements, like spirulina and nori.
- Algae help to produce oxygen through photosynthesis, contributing to a healthy atmosphere.
- Algae are important in bioremediation processes, helping to clean up pollutants from water bodies.
- Algae are used in cosmetic and pharmaceutical industries for their various properties.
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