How might the government make sure scientific research is done in an ethical way? A. By letting public opinion determine what is ethical in scientific research

B. By taking away research funds if certain ethical standards are not met

C. By encouraging scientists to perform within their own ideas of right and wrong

D. By allowing scientists to do what they think is best​

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter