What would indicate that a physical change takes place when copper is drawn into wire?
A.
Copper is heated, changing its molecular structure.
B.
Copper is reshaped, but its molecular structure does not change.
C.
A new substance is formed that helps in drawing copper wire.
D.
Copper changes its color when drawn into wire.
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Answer:
B.
copper is reshaped into thin sheet but the structure of its molecule is same
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