Traffic signals at expressway on-ramps use lights.

Rad and green lights

Explanation:

on june 23, 1972, the president signed title ix of the education amendments of 1972, 20 u.s.c. into law. title ix is a comprehensive federal law that prohibits discrimination on the basis of sex in any federally funded education program or activity.

answer

the primary areas president johnson's great society addressed were poverty, civil rights, and health care.

explanation

the great society was a program in us which was under the president johnson lyndon .the main objective of this program was to eradicate poverty and eliminate racial discrimination. in order to implement this he set up aside funds which were sent to the communities which were struggling with poverty. these funds catered for illiteracy and unemployment.

explanation: