In what geographical location did the most early civilizations form?

Mesopotamia

Explanation:

Mesopotamia was where the first Agricultural revolution took place, so people stopped hunting and gathering and began to settle down. Some of these civilizations were Sumer, Babylon, and Phoenicia. Hope this helps!

Most Early civilizations appeared in Major River Valleys, where Floodplains had contained Rich Soil, and the Rivers had provided irrigation for crops, as well as a means of transportation.

answer; participants attitudes about gun control;

human impact on coral reefs is significant. coral reefs are dying around the world. damaging activities include coral mining, pollution