Question 41 pts (03.01 HC)

Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations.

Which of the following might have contributed to the decline of both the Harappan and Mayan civilizations? (1 point)

Group of answer choices

civil war

failure of tropical soil

European invasion

natural disasters

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)