Which widely-accepted set of ideas claims that all living things are made of very similar simple units with very similar characteristics? boyle's law cell theory the law of gravity the theory of evolution

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.