The answer is <span> b) chromosomes replicate
DNA replication occurs before mitosis. So, duplicated chromosomes are already present in mitosis. They are connected by centromeres. During different phases of mitosis, spindles are formed and pull chromosomes toward the opposite poles of the cell so centromeres must split.</span>
The blood has low oxygen content
Answer
A: stalagmites
B. Sinkholes
D. stalactites
Just took the edge2020 test and these are right
