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TonyTonyChopper , 10 months ago Professor Jia said that most batteries contained hazardous materials and could pollute the environment when disposed of in landfills or when thrown out elsewhere. He said that materials like lead, cadmium, and mercury what year is it?
Professor Jia said that most batteries contained hazardous materials and could pollute the environment when disposed of in landfills or when thrown out elsewhere. He said that materials like lead, cadmium, and mercury
what year is it?