2. During the late 1900's, the Sahel region of Africa has been faced with problems resulting from (s a. Increasing desertification b. The lack of rainfall from monsoons c. The effects of acid rain d. Water pollution ​

Based on this map, what can be concluded about the inca empire? (4 points) it was in a highlands region. it was in a mountainous region. it was in the amazon basin. it was in north america.

Push-and-pull factors contribute to

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications.you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)