The cell spends most of its time in the stage of the cell cycle.

Interphase

Explanation:

In Interphase the cell grows and the cells DNA is copied in a process called replication

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.

the answer u all are looking for is 4000000000000000000000 million years.