All of the following pollutants affect heart EXCEPT :
A.Cadmium
B.Arsenic
C.Lead
D.Carbon monoxide
A.Cadmium
B.Arsenic
C.Lead
D.Carbon monoxide
A.black
B.white
C.yellow
D.reddish
A.1 to 3 days
B.3 to 5 days
C.7 to 21 days
D.20 to 30 days
A.The sulphur cycle
B.The nitrogen cycle
C.The carbon cycle
D.The hydrological cycle
E.None of the above
A.Assembly halls
B.Restaurants
C.Bed-rooms
D.Class rooms
A.Dead bacteria
B.Oxygen
C.Carbondioxide
D.Hydrogen sulphide
E.None of the above
A.zero degree centigrade
B.10?C
C.20?C
D.27?C
E.37?C
A.4 stroke mechanical injection
B.4 stroke air injection
C.2 stroke mechanical injection pump scavenging
D.2 stroke air injection
A.Sintering plants
B.Oil refineries
C.Blast furnace
D.Power plants
E.Sulphuric acid plant
A.bacteria
B.virus
C.molds
D.algae