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: It ensures that checks and balances are respected.
Explanation:
The Constitution of the United States can be amended but the process is such a long and cumbersome process that not a lot of amendments have been passed since it was ratified.
This process was deliberately made difficult to ensure that the Amendment had the support of as many Americans as possible both at the Federal and at the State level. This ensures that checks and balances are respected because it means that neither the state governments nor the federal government can act unilaterally to change the Constitution.