Can living things serve as an indicator of exposure to electromagnetic radiation ?why?

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.

Do you believe kinship relationships still have significance in contemporary america?

What describes the social structure of the south in the antebellum era? check all that apply. a: mass immigration b: small towns c: no organized religion d: little or no organized education e: slow population growth