Presence of which one of the following in water is the major cause of depression paralysis, blindness and/or birth defects ?« Back to Previous Page
|
A. cadmium
B. Chromium
C. Manganese
D. Mercury
|
| ▲ ▼ |
D. Mercury |
| ▲ ▼ |
D. Mercury |
| ▲ ▼ |
D. Mercury |
| ▲ ▼ |
D. Mercury |
Please log in to post questions/answers: