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Which molecule would you need to radioactively label in order to produce radioactive oxygen during photosynthesis?
Isabella of Castile
Queen of Castile from 1474 and, through marriage to Ferdinand II of Aragon, a queen of Aragon, which led to the unification of Spain under their grandson, Charles V.
Ferdinand of Aragon
Was a monarch of the late 15th and early 16th centuries, who, along with his wife Isabella of Castile, is famous for the completion of the Reconquista and the funding of Christopher Columbus's 1492 voyage.
United
Refers to entities or individuals joined together towards a common goal or forming a single entity.
Medieval Weapon
Weapons used during the Middle Ages in Europe, including swords, bows, spears, and various types of siege engines.
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