কোনটি জৈব অভঙ্গুর (Non-biodegradable) পলিমার?

A প্রোটিন

B স্টার্চ

C পলিথিন

D নিউক্লিক অ্যাসিড

Correct Answer & Explanation

Option C

Option C is the correct answer according to official curriculum guidelines.

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