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What is the volume of a plastic ball that has a mass of 75 grams and a density of 1.47
g/mL?

Who established the peoples republic of china in 1949

Opinion polls reveal that many people believe that the military buildup of the 1980s came at the expense of pressing domestic problems such as environmental pollution and deteriorating educational and transportation infrastructure. in short, people are becoming aware of

What was the atlanta race riot of 1906 ?