A.They be more precise with the language they use.
B.They refrain from using politically sensitive terms.
C.They throw out irrelevant concepts in their research.
D.They examine all possible variables in their research.
A.Clinging to racism prolongs inequity and discrimination.
B.Physiological disparities are quite striking among races.
C.Doing away with racial discrimination is challenging.
D.Racial terms are still useful in certain fields of study.