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प्रश्न
The leading cause of mental retardation is believed to be:
विकल्प
Inherited traits
Environmental factors
Organic brain syndrome
Fetal alcohol syndrome
MCQ
उत्तर
Environmental factors
shaalaa.com
Environmental Effects on Human Behaviour
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
