What is the most important reason why an icy moon is more likely to be geologically active than a rocky moon of the same size?

When studying the calumet region of illinois and indiana alfred meyers noted four stages of development as new groups occupied this land in stage 2 farmers used the land primarily to grow food for their familes and their small communities

The earth rotates on its axis and revolves around the sun every

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal