1. Disposal of waste plastic can be difficult . Some plastics can be broken down by microbes and so are ____. 2. Disposal of waste plastic can be difficult . Some plastics can be broken down by ____ and so are biodegradable. 3. Disposal of waste plastic can be difficult . Some ____ can be broken down by microbes and so are biodegradable. 4. ____ of waste plastic can be difficult . Some plastics can be broken down by microbes and so are biodegradable. 5. Disposal of waste plastic can be difficult . Some plastics can be ____ ____ by microbes and so are biodegradable. 6. Disposal of ____ plastic can be difficult . Some plastics can be broken down by microbes and so are biodegradable.

Biodegradable

بواسطة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟