Read It! Stainless steel is a metal alloy that combines the most desirable properties of two metals: steel and chromium. Though steel alone exhibits strength, it is subject to corrosion when exposed to moisture. Steel containing at least 12 percent chromium retains its strength and flexibility but gains the attribute of being corrosion resistant . The presence of chromium in stainless steel forms a very thin layer of chromium oxide on its surface. This barrier staves off corrosion , sealing off the stainless steel's internal structure . This feature makes stainless steel ideal for a vast number of applications in industries as diverse as aviation, food preparation , and medicine. Do It! The combination is __ A expendable B beneficial C abrasive D grotesque

Question

Read It! Stainless steel is a metal alloy that combines the most desirable properties of two metals: steel and chromium. Though steel alone exhibits strength, it is subject to corrosion when exposed to moisture. Steel containing at least 12 percent chromium retains its strength and flexibility but gains the attribute of being corrosion resistant . The presence of chromium in stainless steel forms a very thin layer of chromium oxide on its surface. This barrier staves off corrosion , sealing off the stainless steel's internal structure . This feature makes stainless steel ideal for a vast number of applications in industries as diverse as aviation, food preparation , and medicine. Do It! The combination is __ A expendable B beneficial C abrasive D grotesque

Answer 1

### B. beneficial

Answer 2

## Step1: Identify the context### The passage describes the combination of steel and chromium in stainless steel, highlighting its beneficial properties such as corrosion resistance and strength.## Step2: Determine the most fitting option### Given the context, the combination of steel and chromium is described as advantageous, making "beneficial" the most appropriate choice.

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