Explain the adaptations for root hair cell

they have thin membranes to allow diffusion of substance for short distance

they are numerous to increase the surface area of absorption

hope this helps

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.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.