1.

Due to inconsistent/disordered disposal of old and used computers or their parts, which of the following are released into the environment as e-waste? 1. Beryllium 2. Cadmium 3. Chromium 4. Heptachlor 5. Mercury 6. Lead 7. Plutonium

A. 1,3,4,6 and 7
B. 1,2,3,5 and 6
C. 2,4,5 and 7
D. 1,2,3,4,5,6 and 7
Answer» C. 2,4,5 and 7


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