Aluminum comes from:

salt mines
rocks
iron ore
bauxite

first right answer will ! 100 pts

Why does the united states constitution require that a national census be taken every ten years?

What was one of the main goals of european exploration

What was one step that charlemagne took to unite his kingdom? a. he chose a single strong heir to inherit his throne. b. he drove muslim forces out of europe. c. he created and supported schools. d. he declared himself head of the catholic church.