Which of the following is true about the factors that contribute to autism spectrum disorder (asd)? neuroimaging studies have found few structural and functional deficits in the brains of individuals with asd, thereby strengthening the role of environmental factors. children with asd are no more likely than other children to have prenatal and birth complications. researchers have been able to identify a specific gene that causes asd, thereby disproving the notion that asd is a result of a combination of genes. children with asd have a higher than average rate of other genetic disorders associated with cognitive impairment, including fragile x syndrome and pku.

answer; i believe that the correct answer is (75 to 84 years of age)

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .

perspiration and respiration.