Answer: Today, about 93% of Arabs are adherents of Islam, and there are sizable Christian minorities. Arab Muslims primarily belong to the Sunni, Shiite, Ibadi, and Alawite denominations.
Explanation:
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We can apply some of the similar trends in classical civilizations to the historical experience of people of Teotihuacan to a limited extent as the similarity among the two was found in only the disciplines of politics and trade and commerce.
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- The administration in the ancient Teotihuacan society was sound and solid as the politics in the region was based on the idea of development.
- The methodology of trade and commerce used by the Teotihuacan people and some nuances of their trade matched with that of classical civilizations.
The threat to validity that is likely to occur in the scenario above is Selection Bias.
<h3>What is Selection Bias?</h3>
This occurs when a researcher has control and intentionally chooses those who are going to be researched, observed, or studied. To eliminate this bias, the scientist must ensure that the sample population is selected very randomly.
Other threats to validity are:
- History
- Maturation
- Attrition
- Social Interaction
- Instrumentation
- Testing
- Regression to the mean, etc.
Please see the link below for more about Threat to Validity:
brainly.com/question/4168290