Which subtype of intellectual disability is the LEAST likely to be caused by biological factors?

Name: Which subtype of intellectual disability is the LEAST likely to be caused by biological factors?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Mild intellectual disability is often caused by environmental factors such as lack of stimulation or resources rather than biological factors. Moderate, severe, and profound intellectual disability are more likely to be caused by genetic or neurological factors.

Which Subtype of Intellectual Disability Is the LEAST Likely to Be