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[10] [151] The average adult human contains about 0.005% body weight of iron, or about four grams, of which three quarters is in hemoglobin—a level that remains constant despite only about one milligram of iron being absorbed each day, [150] because the human body recycles its hemoglobin for the iron content.
The current theoretical model of the atom involves a dense nucleus surrounded by a probabilistic "cloud" of electrons. Atomic theory is the scientific theory that matter is composed of particles called atoms.
Little Boy was a type of atomic bomb created by the United States as part of the Manhattan Project during World War II.The name is also often used to describe the specific bomb (L-11) used in the bombing of the Japanese city of Hiroshima by the Boeing B-29 Superfortress Enola Gay on 6 August 1945, making it the first nuclear weapon used in warfare, and the second nuclear explosion in history ...
The concrete sarcophagus was never intended to last very long, with a lifespan of only 30 years. On 12 February 2013, a 600 m 2 (6,500 sq ft) section of the roof of the turbine-building collapsed, adjacent to the sarcophagus, causing a new release of radioactivity and temporary evacuation of the area.
(pl.) aboiteaux A sluice or conduit built beneath a coastal dike, with a hinged gate or a one-way valve that closes during high tide, preventing salt water from flowing into the sluice and flooding the land behind the dike, but remains open during low tide, allowing fresh water precipitation and irrigation runoff to drain from the land into the sea; or a method of land reclamation which relies ...
Commercial trucks with a registered weight of over 10,000 pounds (4,500 kg) are not allowed to use the parkway north of exit 105, just past the Asbury Park Toll Plaza. [5] The entire length of the Garden State Parkway carries the unsigned designation of Route 444, [ 1 ] and is part of the National Highway System , [ 6 ] a network of roads ...
The new palms were to produce five times the weight per year of existing trees. The target of replanting 60,000 trees a year was not met.[5] In 1983, 25 to 30 percent of coconut trees were estimated to be at least 60 years old; by 1988, the proportion had increased to between 35 and 40 percent.[5]