Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
Answer: D) "Since horses were not introduced to the Americas until Columbus, the Aztecs and Incas did not use horses or advanced weapons, while the Afro-Eurasians had highly developed cavalries and weaponry."
The answer is not A because Afro-Eurasia was composed of giant empires and governments, not small ones. The answer is not B because slavery was acceptable in the Incan and Aztec empires <u>as well as</u> in the Afro-Eurasia. Finally, it can't be C because in Afro-Eurasian governments, <u>only a few</u> were centered on religious beliefs, not all.
Answer:
multiple cultures (or subcultures) rather than a single uniform culture.
Explanation:
Multinational companies are those that are headquartered in one country but operate in various countries around the world through subsidiaries. They are thus characterized by being companies of international expansion. This is how they consolidate and become reference. Multinational companies work with the idea of cultural diversity. These companies support the enhancement of multiple cultures and subcultures rather than one culture, because it is thus possible to reach a wide audience of consumers around the world.
Similarly, newly acquired companies tend to embrace cultural diversity as a way of empathizing with customers and selling their products to everyone regardless of their culture.
Answer:
although it is possible to have more than one state, it is also possible to have only one state
Explanation:
