Can someone help me answer this please

Patrick's parents are worried that he may face discrimination in his new neighborhood. which factor is most likely to cause worry to his parents? a. patrick has unusual pets at home. b. patrick belongs to a different culture than that of the majority group. c. both patrick's parents hold jobs outside the home. d. patrick likes a particular sport.

Ireally need to know this answer asap

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?