Where is the standavonaltorde directed as you stand on he floor?
A upwsid
< backward
B. forward
D. downward​

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.

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

a = executive branch; b = judicial branch