A measure of the disorder of a system is called

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Which describes increasing the efficiency of energy resource