Question

लोहार की खाल भी बार-बार फूलती है और सिकुड़ती है जैसे कि सांस ले रही हो फिर भी वह सजीव नहीं है क्यों?
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Answer 1

Answer:

sorry I don't know the answer

Answer 2

Iron has thermal properties due to which it expands and contracts but is not alive.

• Because the tensions between the atoms and molecules vary, some metals expand more than others.
• The interactions between the atoms are higher in metals like iron, making it more challenging for the atoms to move around.
• Brass expands more than iron when the strip is heated, causing the strip to bed.
• Again because of the strength binding the atoms together, the differences in expansion and contraction are considerably more apparent in various states.
• A gas will expand the greatest because its atoms are the least bound to one another and may therefore accelerate the most.
• When a substance is heated, its kinetic energy rises and its atoms and molecules move more quickly.
• Although, expansion and contraction happens in iron but it is due to its properties and it does not satisfy the conditions of a living being.

Hence, iron has thermal properties due to which it expands and contracts but is not alive.

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