Why was paper money important

because they make paper from trees and money is made from paper and you need money to buy food and drinks and to buy a home to live in if money was not a thing food we wound have to trade are importance for- hope i haved

Explanation:

a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.