A relatively small amount of intermediate magma occurs in volcanic island arcs. Remembering that melting above the subducting slab produces mafic magma, explain the origin of the intermediate magma.

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral

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)

Among the many crucial themes related to politics, a central idea of politics includes the existence of