THE WIDESPREAD USE OF PESTICIDES AND HERBICIDES HAS LED TO CONTAMIN...
67.The widespread use of pesticides and herbicides has led to contamination of
groundwater in some areas.
A.extensive
B. experimental
C. occasional
D. general
67.The widespread use of pesticides and herbicides has led to contamination of
groundwater in some areas.
A.extensive
B. experimental
C. occasional
D. general