Multiple choice

Discarded electronic devices are considered hazardous waste because they 

  1. can leach heavy metals.

  2. are highly reactive.

  3. are ignitable.

  4. cannot be recycled.
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A Correct answer
Explanation

Electronic waste (e-waste) contains hazardous materials such as lead, mercury, and cadmium. These heavy metals can leach into the soil and groundwater if the devices are disposed of in landfills.

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