Iwill mark as the brainliest answer how tall is mount everest

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

What does it mean when a government decides to do something?

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.