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شامله لكل الحياه من سياسيه ورياضيه واقتصاد وحوداث وعقارات وسيارات وتكنولوجيا ووو
May 30, 2018
Hotter years 'mean lower exam results'
There is a significant link between higher temperatures and lower school achievement, says a US study.
Source BBC News - World https://ift.tt/2kwM4yi
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