51 Read the following passage and answer the given questions. Meena's mother uses jute bags to bring vegetables and fruits. But her friend Sheema's mother uses polythene bags to bring vegetables, fruits, grocery etc. One day, Meena asked her mother why she always prefers jute bags for grocery purposes, etc? Meena's mother is a science teacher in a Kendriya Vidyalaya. She explained nicely that jute bags are biodegradable, durable and strong. She also explained how jute is obtained and its use as a gunny bsags? Meena was happy to listen this information and she explained everything to her friend Sheema also.
(b) Why jute is used for making gunny bags?
Jute is used for making gunny bags because