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  • The primary source of soil pollution by polychlorinated biphenyls (PCBs) is __________.Option: 1 Deforestation<

The primary source of soil pollution by polychlorinated biphenyls (PCBs) is __________.

Option: 1

Deforestation


Option: 2

Acid rain


Option: 3

Electronic waste 


Option: 4

Vehicle emissions


Answers (1)

best_answer

Polychlorinated biphenyls (PCBs) are commonly found in electronic waste (e-waste) and can contaminate soil if not properly managed during disposal.

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Gunjita

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