Answer:
In what subject you need help
<span>Border and Transportation Security
</span>
<span>Information Analysis and Infrastructure Protection
</span>
<span>Emergency Preparedness and Response
</span>
<span>Science and Technology</span>
Answer:
cross-sectional study
Explanation:
A type of study in which data is gathered at one time from groups of participants who represent different age groups is an example of a cross-sectional study. A cross-sectional study is a type of study design that involves subjects who vary in the variable of interest such as age but have a common characteristics and observations are made at a single point in time.
In the scenario from the question, the variable of interest is most likely the effect of varying age groups on personal health. The variable of interest, age group varies but the population has a common characteristic which is that they are Americans and the study is done at a particular time and not spread out as in cohort studies. This is an example of a cross-sectional study.
Answer:
B
Explanation:
Hope this helped, Have a Wonderful Day!!
Answer:
..
Explanation:
I would just ask them to cool down and try to get explanation. I am a class monitor