Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies relative to one another.
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Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.
ThefirstimportantexpositionintheUnitedStateswasheldinPhiladelphiain1876.
Thefirstpaperwasmadefromthebarkofthemulberrytree.
Formulatedin1823,theMonroeDoctrineassertedthattheAmericaswerenolongeropentoEuropeancolonization.
AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent
