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In a time when maritime powers were becoming world empires,it was imperative to be as strong at sea as possible.How was the problem of determining longitude finally solved so that navigators could determine their precise positions?
Atomic Symbol
A one or two-letter abbreviation derived from the English or Latin name of an element, representing it in the periodic table.
Atomic Symbol
A one or two-letter notation derived from the Latin name of an element, used to represent it in the periodic table and chemical equations.
Bromine
A chemical element with the symbol Br and atomic number 35, known as a reddish-brown liquid at room temperature and part of the halogen group.
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