The geographic feature that contributed to the begining of the farming communities was the low lying flood plains that had very rich and fertile soil. The flood plains got new soils every year after the flood water receded. These plains were highly fertile and helped in the growth of quality crops that could support the total settlement living nearby. Most civilizations were formed near the rivers to help farmers grow crops easily. The Indus Valley Civilization was formed beside the river Indus, while the Mesopotamian Civilization was found beside he rivers Tigris and Euphrates.
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According to data from 2018, the CDC estimated that 1 in 44 children in the United States had an autistic spectrum condition (ASD). In comparison to girls, boys are four times more likely to receive an autism diagnosis.
Children with autism have trouble communicating, have limited interests, and exhibit repetitive behavior. Lack of interest in other people, especially avoiding eye contact, is one of the early indicators of autism. Some youngsters might have autism identified as early as 18 months.
ASD affects 1 in 145 girls and 1 in 34 boys, or 2.97 percent, of both genders (or 0.69 percent). ASD is a developmental disease marked by difficulties in social interaction and communication, as well as restricted interests and repetitive activities. The likelihood of developing autism is increased among children born to older parents. There is a 2 to 18% probability that parents of an ASD kid will have another afflicted child. According to studies, the odds of the second kid having autism in an identical twin pair are between 36 and 95 percent.
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