Where did the life first appeared on the earth?
The research is reported in the latest edition of the Royal Society of Chemistry journal Chemical Society Reviews.
The claim comes from Dr Isabelle Daniel at the University of Lyon and colleagues in Germany and France who have surveyed the current knowledge on the origins of life of Earth.
The essential difference between oceans and seas is that oceans are massive saline water bodies that exist on the Earth's surface while seas are vast saline waters that are either connected or not connected to the ocean.