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Periodic Table of the Elements: Vanadium
(Encyclopedia)Periodic Table of the Elements: Vanadium ...Periodic Table of the Elements: Xenon
(Encyclopedia)Periodic Table of the Elements: Xenon ...Periodic Table of the Elements: Ytterbium
(Encyclopedia)Periodic Table of the Elements: Ytterbium ...Periodic Table of the Elements: Yttrium
(Encyclopedia)Periodic Table of the Elements: Yttrium ...Periodic Table of the Elements: Zinc
(Encyclopedia)Periodic Table of the Elements: Zinc ...Periodic Table of the Elements: Zirconium
(Encyclopedia)Periodic Table of the Elements: Zirconium ...inspector general
(Encyclopedia)inspector general, a government official tasked with independently overseeing an agency or department. Inspectors general are utilized by many countries, as well as regional and local governments and ...clock
(Encyclopedia)CE5 A pendulum clock: Weight-driven clock mechanism clock, instrument for measuring and indicating time. Predecessors of the clock were the sundial, the hourglass, and the clepsydra. See also watc...Einstein, Albert
(Encyclopedia)Einstein, Albert īnˈstīn [key], 1879–1955, American theoretical physicist, known for the formulation of the relativity theory, b. Ulm, Germany. He is recognized as one of the greatest physicists ...Periodic Table of the Elements: Thallium
(Encyclopedia)Periodic Table of the Elements: Thallium ...Browse by Subject
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