Thestatement"Metal and dirt are not consideredcontaminantsto oil" is false. The correct option isB.What are metals?Metals arechemicalelements that have high thermal and electrical conductivity, and they are soft and ductile.Magnesium, helium, gold, and silver aremetals. They are very reactive, and they contain both gas and solids.Oil anddirtare considered contaminated to oil. It causes a chemical reaction in the oil, that's why it is a problem withcontaminationof the oil. It causes reactions like depletion or oxidation.Inmotoroils, there are many chances of pollution with dirt and metals, and other oxides. This causes debris andleadsto degradation of work of lubrication of engine parts, which causes friction.Thus, thestatementis true. The correct option isB.To learn more aboutmetals, refer to the link:brainly.com/question/19071956#SPJ6...

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