كيم
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Q1           Score:  1
 5
 7
 3
 10
Q2           Score:  1
 صح
 خطأ
Q3           Score:  1
 صح
 خطأ
Q4           Score:  1
 صح
 خطأ
Q5           Score:  1
 الاكسيجين
 النيتروجين
 ثاني اكسيد الكربون
 الهيليوم


   



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