English, asked by priyeraj, 4 months ago

(a) Give two examples where expansion and contraction of metals is utilised.

Answers

Answered by madhur2534

2

Answer:

EXPANSION :- freezing water and hot air in balloon .

please thank my answer

Answered by jyotsnakamdi87

1

Answer:

expencion :freezing water and airhot air in balloon contraction mealting of ice and cooling air in balloon

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