वर्तमान परिस्थिति से हताश हो जाना ठीक नहीं है आउटसाइडर लेख पाठ के लेखक के आधार पर आशावादी तर्क दें
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Explanation:
Natural Silk is an animal protein fiber produced by certain insects to build their cocoons and webs.
Artificial silk or art silk is any synthetic fiber which resembles silk, but typically costs less to produce.
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