Экологические аспекты использования полимерных материалов

Полимерные материалы, Экология

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30 sec

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2:48

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4.0

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2 comments

Desert Bull judge Jul 4, 2020

This test may have a higher chance of receiving a reward. Nominated for:
Educational explanations. 👍 Explanations cover why the correct answers are correct and why the
wrong answers are wrong (when appropriate). E.g.: #q1, #q5, #q10 etc.

Strict Heron Jun 5, 2020

Хороший тест, объяснения информативные 👍

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