Which group could be elected to the Senate for life?Which branch of government in the Roman Republic was led by two consuls?

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.

answer; polycythemia is the correct answer;