Willowhill Willowhill

27-10-2020
Physics

contestada

fill in the line to complete each statement

Joints in train tracks are designed with extra space to allow for _____
In hot weather

Respuesta :

27-10-2020

Answer:

expansion

Explanation:

all metals are conductors of heat and this heat can wear down the tracks as trains go by. this extra spacing allows the tracks to expand and contract so that the tracks do not wear down

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