I believe the answer is: physical development
In longitudinal study same subjects over a certain period of time. From the study above, we can see that on-field-performance is the dependent variables. Since there is no way for the researchers to conduct and proof the psychological development, physical development ia the most suitable choice.
Answer:
B
Explanation:
I had to study Africa for the longest time
Answer: population growth momentum.
Explanation:
Population momentum provides an explanation for the population growth that happens even if number of children per woman declines. It occurs because the number of reproductive women also determines the population growth, and not the number of children per woman solely. Population momentum, therefore, occurs due to a large number of people in childbearing and pre-childbearing years.
