Answer:
H .
Explanation:
A civilization is a complex culture in which large numbers of human beings share a number of common elements. Historians have identified the basic characteristics of civilizations. Six of the most important characteristics are: cities, government, religion, social structure, writing and art.
The phi phenomenon is an apparent movement produced by
luminous impulses in classification, while beta movement is an apparent
movement produced by luminous still impulses. Wertheimer supposed the apparent
motion applied that the phenomenon was not really experienced it was just an
illusion, so as an alternative he used phi phenomenon.