Rubber is very soft. Therefore, it is vulcanized and used in tires. Vulcanised rubber resists:

drops of acid rain

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cold temperatures

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jerking movement

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wear and tear due to friction

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Solution

The correct option is D wear and tear due to friction
Vulcanization is the process by which rubber molecules are cross linked with each other by heating the liquid rubber with sulphur. Crosslinking increases the strength and elasticity of rubber. It is very elastic such that it can be stretched reversible.

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