Question

give reason the telephone wires which sagin summer become straight in winter​

Answer 1

Answer:

In summers, the surrounding temperature is very high. Due to this high temperature, the metallic telephone wires are heated up and thus expands in length. ... Due to this low temperature, the metallic telephone wires are cooled down and thus contracts in length. Due to this, they become straight.

Explanation:

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Answer 2

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