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.
Can you please post the picture in the comments of this answer so i can answer it
Answer:
Studies show that poor living conditions negatively affect physical and mental health. ... Additionally, inadequate or unsanitary living conditions can contribute to the spread of disease, which adds to health care costs, prevents individuals from working and threatens the well-being of community members.
Explanation:
Persian-
Ang mga Persian ay isang pangkat na etniko ng Iran na bumubuo sa kalahati ng populasyon ng Iran. Nagbabahagi sila ng isang pangkaraniwang sistema ng kultura at katutubong nagsasalita ng wikang Persian, pati na rin mga wikang malapit na nauugnay sa Persian.
Africa-
Ang Africa ang pangalawa sa pinakamalaki at pangalawang pinaka-matao na kontinente sa buong mundo, pagkatapos ng Asya sa parehong kaso. Sa humigit-kumulang na 30.3 milyong km² kasama ang mga katabing isla, saklaw nito ang 6% ng kabuuang sukat sa ibabaw ng Earth at 20% ng kaluparan nito. Sa 1.3 bilyong katao hanggang sa 2018, umabot sa 16% ng populasyon ng tao sa buong mundo.