What structures are responsible for the movement of chromosomes to the center of the cell in metaphase and their separation in anaphase

The structures that are responsible for the movement of chromosomes to the center of the cell in metaphase is the spindle fibers, the cell attaches the centromeres to the spindle fibers to pull the sister chromatids to the center

In anaphase the sister chromatids are separated at the centromere and are pulled to the opposite poles of the cell by the spindle fibers

Explanation:

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it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

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