What was a quirt used for?

Why is the volume of water used in the disappearing cross experiment varied? What is Used for large heavy cargo that cannot be loaded into a container with fixed sides or walls? What happen to rock when you let it flow by itself? Why are noble gases insert? How many square meters is 165 square feet? What is the cost per kWh for residential use customers? Why the capacity of refrigerator measures in liters? In wrestling what is a ddt? Which evidence suggests that sections of the earths crust have been uplifted in the past? What is half of a kilo? A factory that turns a raw resource into a more pure or usable form is called? Would a drop in pressure affect a gaseous system at equilibrium? How cold is the water in the sea? How are the optic nerve and the auditory nerve the same? How does the longitude and latitude affect the Columbia river affect its climate? What distance separates earth and the sun? Does current flow in home wires when their circuit is not complete that is when switch is not on if not why though the voltage across the wire connecting to live ac wire changes continuously? What is a relationship where both benefits? Why do regions near the equator have a more consistent climate than regions at middle lattitudes? When continental crust and oceanic crust collide which one will subduct?

What was a quirt used for?