Answer:
It is the Body Mass Index(BMI)
Answer:
A cross-sectional study
Explanation:
The best fit would be cross-sectional study, for one because it is observational, meaning there is no manipulation of variables like you would find in an experiment. Secondly, it is comparing populations within different groups, in this case age groups. Although, this can also be done through a longitudinal study, but as the name suggests, it is longitudinal so it is done over longer periods of time.
Music that is intended to evoke images or the convey of the impression of events. _Hope this helped _
Because the author decides to use transit. to make it easier
