After a group of gang members learned that their friend had died in a seemingly random accident, several of the friends started blaming a rival gang for the death. Even though there was no evidence whatsoever that the death had been intentional, the more the friends talked, the more passionate they became in their belief that an act of revenge was necessary. What concept from social psychology may contribute to an act of violent revenge in this case

Groupthink

Explanation:

Based on the scenario being described within the question it can be said that the social psychology concept that would contribute to this is known as Groupthink. This describes that phenomenon in which the desire for a group of individuals to get along leads to that group making irrational or dysfunctional decisions. Such as an violent act of revenge.

according to hess's theory, when the magma cooled, it would expand and push the tectonic plates apart. it would push the north and south america plates to the west and eurasia and africa ones to the east. the atlantic ocean would get wider but the coastlines of the masses would stay the same.

harry hammond hess was a geologist and a united states navy officer in the second world war. he is considered to be one of the founding fathers of the theory of plate tectonics. he is known for his theories on sea floor spreading, stating that the movement of the continents was the result of see floor spreading. the continents are attached to the plates and do not move separately. the plates themselves shift and change shape, carrying the continents along.

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.