The u. s. constitution was adopted in response to the weaknesses of the articles of

Pollution from a factory that produces cleaning products is an_

An economic term that describes happiness and its hard to measure in numbers is

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.