did the first civilization begin (A) in the river valleys , (B) in the desert ,(C) in the mountains or (D) near the sea

97 points what types of changes have been made in the united states to protect people from earthquakes? a. communities are no longer located along fault lines. b. building codes ensure that structures can withstand shaking. c. warnings go off when an earthquake is expected, and people evacuate the area. d. barriers have been built to prevent flooding by a tsunami.

Why does the united states constitution require that a national census be taken every ten years?

Sailors went to special school to learn how to use the new technology that would them sail far distences. the school we know about was