Please please brainy help me

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.

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.

Considering "civil disobedience," which best describes how thoreau and martin luther king, jr. both felt about acts of civil disobedience? a. they both believed that acts of peaceful political protest would not affect or alter the law.b. they both believed that people should go against certain laws because government is a flawed concept.c. they both believed that individuals have the right and the responsibility to protest unjust laws.d. they both believed that breaking the law is an unjust action that deserves punishment.answer is c.