Are tapeworms and flatworms unicellular or multicellular

Explanation:

they are both multicellular

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.

your answer is rna to the question.