A rubber band cannot be stretched easily
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You can strech a rubber band but not metallic
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Explanation: This occurs because of the unusual polymer structure of rubber. When the long chains get hotter and vibrate, they actually shorten, causing the material to contract. When the chains cool down, they relax and stretch out, causing the material to expand. It cannot be stretched because it is in a low temperature area. If it is still stretched, it might tear.
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