A75 gram bar of gold is cut into three equal pieces. how does the density of each piece compare to the density of the original bar?
1. each piece is 1/3 the density of the original bar
2. each piece is the same as the density of the original bar

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl