Internal metal doors are generally painted with an oil paint justify?

The external metal doors are generally painted with oil paint because when metal are left in humid areas a brown substance deposits on it called rust. As we know rusting is a chemical change and it cannot be reversed, to prevent rusting metals doors are painted with oil paint..

Explanation:

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answer; i believe that the correct answer is (d); // supercontinent

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answer- your correct answer is actually college a. because college a has a good price loan and graduation rate. you have to compare it with other values also , that how many students graduated and how many from them have repaid the loan ( default loan rate ).

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