The fact that all individuals and groups participating in the economy depend on one another is called
a. opportunity cost.
b. economics.
c. interdependence.
d. exchange.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

inverse v=i*r

nice nice