👉 Seaweed is a type of plant that grows in bodies of water, such as rivers or oceans. These plants are composed primarily of calcium and magnesium, which are essential for the survival of marine organisms. They also contain other nutrients like nitrogen, phosphorus, and potassium. Seaweed can be found in various forms, including seaweed mats, edible plants, and even sea vegetables. The most common type of seaweed is called kelp, which grows in the water column of a body
