Why are certain traits adaptations in one environment, but not in another? O A. Some environments cause more mutations than others.
O B. Different environments have different abiotic conditions.
O C. Organisms can learn new adaptations.
O D. All environments have the same amount of competition.

Different environments have different abiotic conditions.

Explanation:

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.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).