Answer:
Cross- sectional
Explanation:
A cross-sectional study can be explained as a type of observational research that analyzes data of variables collected at one given point in time across a sample population or a pre-defined subset.
It involves the use of different groups of people who differ in the variable of interest but share other characteristics, such as socioeconomic status and educational background.
In conclusion, it should be understood that, Cross-sectional studies are usually relatively inexpensive and allow researchers to collect a great deal of information quite quickly, but still show individual character.
FALSE : the presence of harmful substances in the earth’s atmosphere is called air pollution
Pretty sure it’s football.
the answer is A.) Heart rate
is a simple and practical method for monitoring the amount of work your heart is doing at any given time
