\textbf{210-} Which of the following statements are correct?
\begin{itemize}
\item[A)] Acrylic fibers are prepared from polymerization of acrylonitrile.
\item[B)] Plastic materials are polymers that are prepared from polymerization of alkenes.
\item[C)] Production of biodegradable polymers is a more appropriate solution to reduce environmental problems.
\item[D)] One of the alkenes is used to help ripen some fruits such as tomatoes and bananas.
\item[E)] Most containers that are made of polymers are correct, but the materials stored in them have a negative effect on them.
\end{itemize}
\begin{center}
(1) B, D, E \hspace{1.5cm} (2) B, C, D \hspace{1.5cm} (3) A, D, C \hspace{1.5cm} (4) A, B, E
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\textbf{120-C} \hfill \textbf{Page 20} \\[6pt]
\textbf{Chemistry}
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