Soft copper ___ be bent; rigid copper ______ be bent.

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Multiple Choice

Soft copper ___ be bent; rigid copper ______ be bent.

Explanation:
Copper’s ability to bend depends on its temper: soft copper is annealed and highly ductile, so it deforms plastically when bent without cracking. Rigid copper is work-hardened from drawing, which increases strength and reduces ductility, making bending difficult and more likely to cause cracking unless it’s annealed first. So soft copper can be bent; rigid copper cannot be bent easily, which is why that pairing is the best choice.

Copper’s ability to bend depends on its temper: soft copper is annealed and highly ductile, so it deforms plastically when bent without cracking. Rigid copper is work-hardened from drawing, which increases strength and reduces ductility, making bending difficult and more likely to cause cracking unless it’s annealed first. So soft copper can be bent; rigid copper cannot be bent easily, which is why that pairing is the best choice.

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