Question

HOTS
1. What are the advantages of polymer currency
notes over paper notes?
2. How do bulletproof jackets stop armour-piercing
rounds. What is Kevlar?
3. Why do electric plugs not melt even if the wire
inside them get overheated?
4. Name the material which is used to make a very
special plastic plate on which X-ray images of our
internal body parts are taken.​

Answer 1

Answer:

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Explanation:

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