Why are amphibians a good early warning device for water pollution

In order to remain wellness the parts of the health triangle always need to be?

What is the best way to use the clean water act to address the issue of dirty water and diseases that plague asmall community? a) to report the number of cases of people who havecholera symptomsb) to provide health guidelines about effects from waterborne diseases c) to enforce standards that focus on chemical dischargeinto bodies of waterd) to carry out research that investigates how dirty wateraffects human health

What should you do if you might be suffering symptoms of a mental disorder