In a theocracy, the leader of a nation is only a representative of a deity. true or falls

False. Besides representing a deity (in many cases, being considered himself a living deity), a theocratic ruler is also the head of the secular government, this is, he makes the everyday, practical decisions of the country  related to economy, military, politics, diplomacy, justice, etc.

True. theocracy has a god as the leader. The god would be part of a deity.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.

islam spread slowly through much of africa through trade and preaching.