Which tectonic feature is assosiated with a complex or uncertain plate boundary

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.

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt