Observe the following polymers.
I. PHBV
II. | vedclass

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(B) Biodegradable polymers are those that can be decomposed by microorganisms.
Among the given polymers:
$I$. $PHBV$ (Poly-$\beta$-hydroxybutyrate-c

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$I$ and $II$

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(B) Biodegradable polymers are those that can be decomposed by microorganisms.
Among the given polymers:
$I$. $PHBV$ (Poly-$\beta$-hydroxybutyrate-co-$\beta$-hydroxyvalerate) is a well-known biodegradable polymer.
$II$. Nylon-$2$-nylon-$6$ is a polyamide copolymer of glycine and amino caproic acid,which is also biodegradable.
$III$. Glyptal is a condensation polymer of ethylene glycol and phthalic acid,which is non-biodegradable.
$IV$. Bakelite is a thermosetting phenol-formaldehyde resin,which is non-biodegradable.
Therefore,$I$ and $II$ are biodegradable polymers.

Observe the following polymers.
$I$. $PHBV$
$II$. Nylon-$2$-nylon-$6$
$III$. Glyptal
$IV$. Bakelite
Which of the above is/are biodegradable polymer$(s)$?

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Observe the following polymers. $I$. $PHBV$ $II$. Nylon-$2$-nylon-$6$ $III$. Glyptal $IV$. Bakelite Which of the above is/are biodegradable polymer$(s)$?