Why are car windows & windshields glass and not a kind of plastic?
In: 40
Plastic would quickly become all scratched up. Your windshield takes an ungodly amount of abuse from tiny bits of dirt and sand and pebbles kicking up from the tires of the vehicles in front of you. Over a long time, many years, a glass windshield will get pitted and need to be replaced because you can no longer see well through it. Plastic would become unusable after a very short amount of time, in comparison.
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