Computer Science · Environmental Issues in Computing
ई-कचरे (E-waste) में पाया जाने वाला कौन सा पदार्थ एक विषैली भारी धातु (Toxic Heavy Metal) माना जाता है जो अनुचित निपटान पर मिट्टी और भूजल में गंभीर प्रदूषण का कारण बन सकता है?
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