John has a scratched throat, what is the best way to make it feel better?

Gargle with salt water

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.

b. the carbon cycle ensures living things have a source of hydrogen