I believe it is C. Swimming
I hope it helped :)
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
A, human lungs weigh around 2.2 pounds.
You should get most of your calories from the grain factor because it's <span>the body's most efficient source of fuel. They are naturally low in fat and many are high in fiber, especially if made from whole grains.</span>
All the statements are true. But, I would pick A.
It is the most sensible answer.
Hope this helped some!~
