A rectangular block of copper metal has a mass of 1800 g. dimensions of the Block are 8.4 cm by 5.5 CM by 4.6 cm. from this data calculate its density. round to the nearest hundredth?

Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?