Early cities often were dangerous places to live. Some of the hazards were environmental, while others were caused by human behaviors. In a brief paragraph, explain which of the hazards facing early cities you think was the most dangerous. Discuss why the hazard was so dangerous, and provide a historical example of a city affected by it

A/an map shows the types of rock and/or sediment present in a particular region.a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map.a map has contour lines, which connect points at the same elevation.a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

Which layer surrounds the center of the earth? a: crust b: core c: mantle