Question

what is a rust define​

Answer 1

A fungal disease of plants which results in reddish or brownish patches.
Be afdected by rush
"the blade had rust away"

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Answer 2

Rυѕт ιѕ α coαтιɴɢ тнαт occυrѕ oɴ тнe ѕυrғαce oғ ιroɴ αѕ ιт oхιdιzeѕ. Rυѕт ιѕ αlѕo ĸɴowɴ αѕ ιroɴ oхιde αɴd corroѕιoɴ. Tнιѕ cнeмιcαl coмpoυɴd coмeѕ ιɴ мαɴy dιғғereɴт coмвιɴαтιoɴѕ oғ ιroɴ αɴd oхyɢeɴ. Rυѕт ιѕ reddιѕн-orαɴɢe ιɴ color. Tнe ѕpeed oғ rυѕт ғorмαтιoɴ cαɴ вe ιɴcreαѕed ιғ тнe ιroɴ αlloy ιѕ plαced ιɴ corroѕιve eɴvιroɴмeɴтѕ.

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