39:02 Gold's natural state has a definite shape and a definite volume. What is gold's natural state(s)? O solid O liquid O solid or gas O liquid or gas

it's still remain the same

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.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;