Font Size: Molten steel contains dissolved oxygen, which tends to make the steel brittle. An alloying element that can be added to reduce the amount of oxygen is: Oa) nitrogen. Ob) carbon. Oc) aluminum. Od) sulphur. The property that permits X-rays and gamma rays to penetrate metal is: O a) shorter wavelengths. b) longer wavelengths. O c) ionizing properties. d) invisible rays.

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