In mild forms, an intellectual disability results from a genetic factor alone. The Option D is correct.
<h3>What is an
intellectual disability?</h3>
Basically, an intellectual disability refers to a condition that limits a person’s ability to learn at an expected level and function in daily life. Levels of intellectual disability vary greatly in children. It is an impairment of the cognitive functioning, characterized by having an IQ of less than 70, given the average IQ is 100.
Some of the most common types of intellectual disabilities includes an autism, Down syndrome, fragile x syndrome, fetal alcohol syndrome, Prader-Willi syndrome etc.
Read more about intellectual disability
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Answer: Valley
Explanation: Valleys are among the most common features in the world. They are a stretch of land that lies between hills and normally has a river running through it. In addition, valleys are typically formed by erosion which is the gradual breakdown of materials.
It was in the area that we now know of as the Middle-east, and it was in between two rivers, the Tigris and the Euphrates.
They believe that their school has the right subjects and
programs students need to learn for their chosen profession. Apart from their
excellent academic programs, they also instill discipline and mentally prepare
their graduates for the demands that they may tackle once they leave the
school.