Question

ऑनलाइन कक्षाओं में आपको किन किन समस्याओं का सामना करना पड़ रहा है इसका वर्णन करते हुए अपने बड़े भाई को पत्र लिखें |​

Answer 1

Answer:

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Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, carbonate or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment.