is the study of statistics that characterize existing and changing structures of human populations by measuring characteristics such as births, deaths, income, or the incidence of disease.

What are possible challenges for cyberbullying? the answer is sample response: possible challenges of cyberbullying have to do with nonbelievers, or people who do not think cyberbullying is a real problem. technology makes it hard to stop bullies, and some people do not want to take responsibility.