Which sentence from the text explains how biometrics can improve security?

A. Vein-pattern recognition systems expose hands to near-
infrared light
B. Programmers must decide how close a match is needed
to accept someone.
C. Some better programs update database records each
time matches are made.
D. Check-cashing services may use fingerprint scans to
protect consumers and reduce frauds

How does langston hughes use the denotative meaning of the word uniform ironically in his poem "will v-day be me day too"? a. to show that african americans faced segregation even while fighting for their country alongside americans of other races b. to show that african americans enlisted in the war hoping to gain acceptance and equality in their country c. to show that by donning the u.s. army uniform, the people of america stood united, irrespective of their race d. to show that african americans who were part of the armed forces were treated with dignity