3. Removes or Adds 4. Removes or Adds
5. Removes or Adds
6. Removes or Adds
7. Removes or Adds
Help please!!!

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.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

idk im sorry.