Due to improper / indiscriminate disposalof old and used computers or – McqOptions

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1.	Due to improper / indiscriminate disposalof old and used computers or their parts, whichof the following are released into theenvironment as e-waste ?1. Beryllium2. Cadmium3. Chromium4. Heptachlor5. Mercury6. Lead7. PlutonimumSelect the correct answer using the codes givenbelow.
A.	1, 3, 4, 6 and 7 only
B.	1, 2, 3, 5 and 6 only
C.	2, 4, 5 and 7 only
D.	1, 2, 3, 4, 5, 6 and 7
Answer» C. 2, 4, 5 and 7 only

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