The four main elements of the human body are oxygen, hydrogen, carbon, and nitrogen.
Answer:
Non-participant observation
Explanation:
Patti does an observation type study. These types of studies can be divided into two groups: participant and non-participant observation.
As Patti wants to be unnoticed by the children, she is using the non-participant approach to studying. Here, the researcher does not form a part of a group and/or even becomes a member of it but deliberately stays apart from it. His main goal is to observe the behavior of such a group in a natural setting and without interfering himself.
Because Cuba is rather close to US and thousands of kilometers away from Spain.
hope this helps you.
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<span>Researchers fail to control variables that then damage the overall integrity of an experiment. The conclusions can be wildly inaccurate as a result. The results may show a negative correlation between variables that invalidate the total effort. The researchers assume variables but do not account for a variable that influences the statistical outcome of the experiment.</span>
Answer:
less people are getting vaccinated
