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Continents of the World
Proteins
pH
Rocks
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ተመለስ
ሌላ ይዘት
አፈር ምንድነው?
ፕሮቲኖች
የሰው አንጎል
ቁርኝት ያላቸው እንስሳት
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ارجع
محتوى آخر
الدرجات
دورة حياة الضفدع
الأحماض
الأرض وتاريخها
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ပြန်လာသည်
အခြားအကြောင်းအရာ
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