Where does the convection current in the mantle obtain its heat energy? A. Earth’s core and crust
B. Earth’s mantle
C. Earth’s core and mantle
D. Earth’s mantle and crust

Which best describes the impact of the crusades on european exploration?

The purpose of lycees was to a: prepare male candidates for government jobs b: prepare male candidates for the napoleonic wars c: prepare female candidates for government jobs

Plz me on september 17, 1860to the union and confederate army’s fought the in maryland. it was one of the bloodiest battles in the civil war. a. battle of the seven pines. b. battle of antietam c. first battle of bull run. d. second battle of bull run.