When chromosomes become visible at the beginning of the cell division, wat does each chromosome consist of?

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

How does science influence the decisions made about social, economic, and political issues?