Basic Knowledge About the Radiation Caused by the Damage to The Nuclear Power Plant Due to Tohoku-Pacific Earthquake
By Japan’s National Institute of Radiological Sciences, 14 March 2011
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Obelia
Obelia is a colonial marine organism that is found attached to seaweeds, rocks, shells or pilings in the shallow waters off seacoasts. This animal alternates between a polyp stage (which is the asexual generation) and a medusa stage (which is the sexual generation).
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