There are many different causes of mental retardation -- genetic, birth or other injury, development problems in utero. A person with mental retardation cannot learn as fast or as much as the other 98% or so of the population.
Check this site.
http://wilderdom.com/intelligence/IQWhatScoresMean.html
hi again
why is mentally ed person not like a normal person is what i meant
thanks again
1 answer
1 answer