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.
Answer:
I think it's all of the above
Explanation:
It flowers at night so the precious fluid will not go to waste and evaporate. Since few animals move around during the day, it does this so that way it can attract the most pollinators (bats).