A silver necklace has a density of 10.5 g/mL and a volume of 1.5 mL. What is the mass of the silver necklace?

What record? the question is incomplete

Alfred wegener was a scientist who proposed the continental drift theory in the early twentieth century .simply put , his hypothesis propose that the continents had once been joined and overtime have drifted a part .

Ithink d because for example there are different laws for different states but the federal government makes bigger laws like for example all states have to follow the law that no one can check your mail.