1. The three graphs below show the potential energy (y-axis) versus internuclear distance (x-axis) for two C atoms. On each graph, carefully sketch a curve that corresponds to the potential energy versus internuclear distance for the atom indicated relative to that of the two C atoms.

answer:

the crusades were organized by western european christians after centuries of muslim wars of expansion. their primary objectives were to stop the expansion of muslim states, to reclaim for christianity the holy land in the middle east, and to recapture territories that had formerly been christian.

explanation:

you can literally google this.