hondasaurus
Member
http://www.usatoday.com/news/education/2009-02-02-lead-SAT_N.htm?loc=interstitialskip
more lead (including gas) leads to lower SAT scores and more mental retardation
another study was showing an inverse relationship between extreme poverty and IQ.
more lead (including gas) leads to lower SAT scores and more mental retardation
another study was showing an inverse relationship between extreme poverty and IQ.