An organisation throws old computers in an open field. What may be the most serious effect?
Correct answer: D
The governing concept is responsible management of electronic waste. Discarded computers can contain hazardous substances and other pollutants that may contaminate soil, water, and air when dumped in an open field. Thus, option D identifies the serious environmental effect. Faster internet and saving paper are unrelated, while reuse requires collection, repair, or recycling rather than open dumping.
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