Which of the following extremes would an organism that lives in the intertidal zone not be subjected to? high pressure
cold
salinity
desiccation (drying out)

I believe your answer would be high pressure .

3.1Air

3.2Light

3.3Temperature

3.4Salinity stress

3.5Desiccation stress

3.6Predation

3.7Wave action

Explanation:   High pressure is the only factor that is not included in this    chart of effects on organisms in the intertidal zone.

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.

is in the form atp or adenosine triphosphate