When groups of people are displaced to a new country because they flee in fear of their lives from their homeland, they might choose to settle together in a community in a new location and try to maintain their ethnic identity. this demonstrates the concept of
1. diaspora
2. genocide
3. heterogeny
4. linguistics

1. diaspora

Explanation: Genocide is the massacre of people based on their ethnicity.

Heterogeny is the concept of being exactly the same. Linguistics is the study of languages. Diaspora is the diversion of people from their homeland which fits this scenario.

Hope this helps!  :)

answer; i believe that the correct answer is (75 to 84 years of age)