الكلوروفيل،

لماذا تصفر أوراق الشجر وتسقط في فصل الخريف؟

Keep going الكلوروفيل، 19 نوفمبر 2013

يعود اللون الأخضر للأوراق الشجر لوجود مادة اليخضور Chlorophyll فيها، والكلوروفيل هو مصنع الغذاء الكامل الذي تحتوي عليه كل ورقة. ...

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