2. human skin is constantly producing new cells through cell division. how does this happen? during interphase, how does a cell prepare for division? describe cell division, including the processes of mitosis and cytokinesis. be sure to describe the mitotic steps.

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New skin cells form at the bottom of the epidermis. As these newer cells form, it takes them about one month to reach the top layer of the epidermis. The new cells will replace the old cells found on the skin surface, which are dead and continuously flake off.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.