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Earn 100

Biomagnification is caused by which of the following?
(a)SO2
(b)Mercury
(c)DDT
(d)Both (B) and (C)

50% studentsanswered this correctly
Important Questions on Environmental Issues
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Match the following:
List - 1 | List -2 | ||
Carbon monoxide | Global warming | ||
Carbon dioxide | UV - rays | ||
Sulphur dioxide | Eutrophication | ||
Ozone depletion | Acid rain | ||
Oxygen transport |
The correct match is

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