The Proterozoic division of the geological time scale is an era of the Phanerozoic eon. The Proterozoic division began 2.5 billion years ago and ended 542.0 million years ago.
Answer:
Ostacism is the deliberate social exclusion of individuals or groups.
Explanation:
An example of Ostracism would be someon, who recently had an argument with a friend over the phone; lets use Alexia and Sofia. Alexia completely disagrees with the the statements made by Sofia; thus, Sofia does not change her mind. Therefore, Alexia runs to all of her friends and tells off her friends to ignore and not talk to her at lunch.
