1. explain how the great recession illustrated one of the weaknesses of a free enterprise economy.

answer; coal reserves in the u.s are far greater than petroleum reserves;

i think it's d because a "rythem" is a

1)a particular type of pattern formed by rhythm.

2)a strong, regular, repeated pattern of movement or sound.

3) the systematic arrangement of musical sounds, principally according to duration and periodic stress.

so, d mabye.