cell, The smallest part of an animal or plant that can work independently. All plants and animals are made of these., bacteria, The simplest and smallest forms of life. They live in air, water, soil, as well as in humans and animals (dead or alive). They are often the cause of disease., mites, Very tiny creatures that live on plants or animals., atom, The smallest part of a chemical element..

Physics

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

)
استعادة الحفظ التلقائي: ؟