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adell [148]
3 years ago
12

I really appreciate I need help

Chemistry
2 answers:
Troyanec [42]3 years ago
7 0

They do this in case the road is to freeze or overheat causing cracks and such, it keeps a stronger bind within the pavement.

Leno4ka [110]3 years ago
3 0
The bridge is completely surrounded by cold air in the winter and by hot air in the summer. It is not insulated by the ground beneath it
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