The traits of civilization are: specialized workers, advanced technology, advanced cities, and complex institutions.
Other then this, not sure what you want me to answer
Answer:Early humans changed their environment through the domestication of animals, hunting and irrigation, Wing said. ... Many may not realize how extensively early settlers changed the environment, mainly because of persisting beliefs that primitive societies kept the land intact and lived simply with nature
Explanation:
The yellow fever mosquito, Aedes aegypti<span> (Linnaeus)
This has been a nuisance species in the United States for centuries. Originating in Africa, it was most likely brought to the new world on ships used for European exploration and colonization (Nelson 1986). As the common name suggests, </span>Aedes aegypti<span> is the primary vector of yellow fever, a disease that is prevalent in tropical South America and Africa, and often emerges in temperate regions during summer months. During the Spanish-American War, U.S. troops suffered more casualties from yellow fever transmitted by </span>Aedes aegypti<span> than from enemy fire (Tabachnick 1991).</span>
The answer is last option