Which statement best explains why an effective research question needs to be specific?
it makes the question possible to answer.
it makes it easy to identify keywords.
it makes it easy to tell what the question is asking.
it makes it possible to evaluate the sources.

The sahel is located on the edge of the sahara desert. a.north b.west c.south d.east

Why did some states believe they had the power to overturn federal laws?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.