826ForestryMedium
Most hazardous metal pollutant of automobile exhaust is:
AHg
BPb
CCd
DCu
Correct answer
B. Pb
Explanation
The correct answer is Pb.
Correct answer
B. Pb
Explanation
The correct answer is Pb.
What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer?
The disadvantage of ploughing in arid and semi-arid zones is:
A lake with nutrients is called:
Soil at the rate of 4 to 7 thousand tonnes/sq mile is carried annually in the rivers ________.
The West Pakistan Fisheries Ordinance, ________ (Ordinance No. XXX of 1961):
Urban forestry is: