How could people have tattoos in the stone age?

Why were inventors essential or necessary for an industrial revolution to happen in america

The system of checks and balances was designed for what purpose? fear of strong state power to keep power out of one branch to appease the southern states to allow the judicial branch to have equal power

Profit is the term for that is left over after the costs have been paid in a budget or business. a) money. b) supply. c) demand. d) tax