Can someone help me understand this plz

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Explain how scientists use geologic time to determine the age of landforms.