Due to improper/ indiscriminate 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 Select the correct answer using the codes given below.

Due to improper/ indiscriminate disposal of old and used computers or

1.	Due to improper/ indiscriminate 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 Select the correct answer using the codes given below.
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