Tires aren't made from pure rubber because it makes the weight higher which increases the engine load.
What is Tyre?
This is defined as a piece of rubber which is attached to the wheels of automobiles for movement.
Pure rubber isn't used to make tyres because it has a higher weight which increases the engine load thereby making the vehicle slower.
Read more about Tyre here https://brainly.com/question/24332515
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