Who were the first european to encounter north america

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.

Which number identifies the guyot? a. 1 b. 2 c. 3 d. 4 e. 5 f. 6

What are policymakers trying to do by using the media to deliver specific messages to citizens?