In which climate zone is the yucatan peninsula?

On the graph, the bottom horizontal line represents

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

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.