Sasha decides to examine public records of crime rates to determine whether perpetrators committed property crimes at an earlier age in the 1940s than in the 1970s. According to the U. S Department of Health and Human Services, Sasha's research would be categorized as a(n) research.
a. exempt
b. minimal risk
c. fraudulent
d. maximum risk

Exempt research

Explanation:

These are the research that is conducted commonly in educational settings. This procedure was conducted in educational settings. It includes survey settings, interviews, and observations in public behavior.

Public service programs, data records, and the pathological specimen. Different categories are in exempt research. Sasha used here exempt research program. Sasha is used here in U.S health department of health and human services the research called exempt research.

c. taught scientists many new things about the earth, but not other planets.

explanation: