The halogen found in seawater is bromine.
Halogen.
Seaweed typically lives in saltwater habitats like oceans and seas. While some freshwater species of algae, which may resemble seaweed, can be found in rivers, true seaweed is not commonly found in river environments.
Centroceras clavulatum is a seaweed found on the west coast of India.
Sargassum seaweed is a type of seaweed found along the coasts of Japan and China. Two species, Sargassum fusiforme and Sargassum pallidum, are both referred to as sargassum seaweed or gulfweed in English and hai zao in Chinese.
Seaweed originates from prokaryotes which includes all types of protists. Seaweed is found in many different varieties of algae but all belong to the kingdom of Protista.
Look up Susswassertang on wikipedia. Freshwater plant whose name means freshwater seaweed. Yes, I live on a lake and we have A TON of seaweed
I found it in Underwater, at the SeaWeed
Kelp is a seaweed found in the ocean.
Seaweed
The elements found in halogen has very rarely been known to cause any type of environmental issues. Because of this, there is very little information about halogen as a pollutant.
Bromine is found in Group 17 of the periodic table, also known as the halogen group.