Answer:
i think the answer is A correct me uf im wrong
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
Answer:
cjjcsk skcnielpodnneu rlefjuri4
Explanation:
I JUST NEED TO SAY I'M A MIDDLE SCHOOL AND MY KEYBOARD IS HALF BROKEN!but i'll try! if they start getting short of breath or start vomiting blood then give them a cup of water and call a docter.
A.
The brain has to produce the sleep cycle is my best guess.
