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14 December, 14:41

Expansion joints are spacesbuilt into structures'

a. to prevent damage from thermal expansion.

b. to prevent thermal expansion.

c. to stop particles from moving.

Answers (1)
  1. 14 December, 16:28
    A. For example a bridge. There is a gap inbetween the bridge and the road. Otherwise if it is extraordinary hot, the bridge wouldn't be able to open.
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