Most hazardous metal pollutant of automobile exhaust is

Options

A. Mercury (Hg)
B. Lead (Pb)
C. Cadmium (Cd)
D. Copper (Cu)

Answer

B

Explanation

Lead, can cause irreversible damage to the body.s nervous system. The damage caused by lead ranges from learning disabilities to high blood pressure and to death. Lead poisoning can also have hematologic and endocrine effects in the human body.