To remove algae and moss from garden furniture, you can start by brushing off as much of the growth as possible using a stiff brush. Then, mix a solution of equal parts water and white vinegar or bleach and apply it to the affected areas. Let it sit for a few minutes, then scrub the furniture with the brush again. Finally, rinse the furniture thoroughly with water to remove any remaining residue. Repeat the process if necessary, and consider applying a protective sealant to prevent future growth. **

Yes, algae is considered vegan. Algae is a plant-based organism that does not have a central nervous system or the ability to feel pain, making it suitable for a vegan diet. Algae is also a rich source of nutrients and can be used in a variety of vegan-friendly foods and supplements. **

No, algae are not prokaryotes. Algae are a diverse group of photosynthetic organisms that can be found in various environments, including freshwater and marine habitats. They are eukaryotic organisms, meaning they have a true nucleus and other membrane-bound organelles within their cells. This distinguishes them from prokaryotes, which lack a true nucleus and membrane-bound organelles. **

Shells are not algae. Shells are the hard outer coverings of certain animals, such as mollusks, that are made of calcium carbonate. Algae, on the other hand, are a diverse group of photosynthetic organisms that can range from single-celled to multicellular forms. Algae are not animals and do not produce shells. **

Algae are a diverse group of photosynthetic organisms that can be found in various aquatic environments such as oceans, lakes, and rivers. They can range in size from microscopic single-celled organisms to large multicellular seaweeds. Algae play a crucial role in the ecosystem as they are primary producers, converting sunlight into energy through photosynthesis. Additionally, algae are an important food source for many aquatic organisms and are also used by humans in various industries such as food, pharmaceuticals, and biofuels. **

Spirulina and chlorella algae powder have a different taste compared to nori algae. Spirulina has a slightly earthy and grassy flavor, while chlorella has a more intense, slightly bitter taste. Nori algae, on the other hand, has a distinct umami flavor with a hint of sweetness. Each type of algae powder has its own unique taste profile, and they may not necessarily taste like nori algae. **

To combat algae or mold on patio furniture, you can start by regularly cleaning the furniture with a mixture of water and mild detergent. Scrub the affected areas with a brush to remove the algae or mold. Additionally, you can use a solution of water and white vinegar to kill and prevent the growth of algae or mold. It's also important to regularly clean and maintain the furniture to prevent the buildup of moisture, which can contribute to the growth of algae or mold. Finally, consider using a protective cover for the furniture when it's not in use to prevent moisture buildup. **

Without a specific image or description of the brown algae in question, it is difficult to definitively answer whether they are brown algae. Brown algae are a diverse group of multicellular algae that are typically found in marine environments. They are characterized by their brownish color, which comes from the pigment fucoxanthin. If the algae in question have a brownish color and are found in a marine environment, they may be brown algae, but a more detailed observation or analysis would be needed for a conclusive identification. **