Controlled intersections use some form of which of the following?

flashing signal lights
circular arrows
signal lights
all of the above

Effective charts and graphs include all of the following except 1. simple, meaningful, attractive design 2. accurate information 3.at least five different colors 5.clear presentation of information

In a class of 20 students, what democratic form of governance makes the most sense

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)