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<span>This would be the Atlantic Ocean, mainly the northern reaches of it toward the Arctic. Vikings have their ancestry in the Norse countries and areas of northern Europe, which lies on the outskirts and seas bordering the Atlantic. During their travels, they would explore these waters and find new lands (one being the New World later discovered by Spanish, Portuguese, and English explorers some 500 years in the future).</span>
The three domain system recognizes fundamental differences between the two groups of PROKARYOTES.
The three domain system refers to a biological classification, which divides all living organisms into three basic groups, which are: archaea, bacteria and eukaryotes. The system divides the prokaryotes into two groups, which are bacteria and archaea. These division was based on the differences in the 16S rRNA genes of these organisms. This system of classification was introduced by Carl Woese in 1990. The bacteria are made up of prokaryotes which lack membrane covered cell organelles while the archaea group is made up of prokaryotes which have a mono layer core of lipid in their membranes and specific nucleotide in their 16S RNA<span />
They are mainly characterized as being corrosive, flammable, and explosive.
Most hazardous waste comes from the chemical and petroleum industries.