They learned to plant crops. What were the most well known structures in Mayan cities?
Confounding variables are stimuli other than independent variables that may affect the outcome of the study and lead to erroneous conclusions. These variables become a factor when researchers are unable to prevent or eliminate them. These variables can make the results found during experiments invalid because they do not reflect the original variables in the experiment or research.
The correct answer is friendship focus groups.
Friendship Group is a cluster <span>of individuals, who can share certain social characteristics, for instance is age, class, occupation, or education, and interact on a stage of equality. A person can become a part of several peer </span>groups<span>, which includes </span>friends<span>, schoolmates, and coworkers.</span>