The answer i believe is interpersonal communication.
Answer: keeping the volume down on headphones while listening to music
Explanation:
It prevents hearing damage
the other 3 provide distractions from the outside world, potentially leading to major injury/death
Explanation:
1 Formal demography limits its object of study to the measurement of population processes,
2 it refers to events as birth, death, migration, marriage and divorce
3 it studies only numerical data and human population
4 Formal demography is older approach to study population
1 Social demography deals with questions of population composition and change and how they interact with sociological variables at the individual and contextual levels
2 Social demography is analytical, statistical and quantitative study of human population
3 It studies both numerical data and social traits of human population.
4 social demography is newer approach to study population
I believe active euthanasia is illegal in virtually all countries.