The development of recreation in the united states and canada is:

The development of recreation in the United States and in the Canada is that they are never static in which a certain condition is not fixed and that it does not show no change. There are depression and that there is a presence of work weeks that are longer and sometimes shorter, in addition to that, there is an evolution of recreation and leisure through or because of the wars.

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.

answerthe god enlil,is who the sumerians believed created heaven and earth;