During mechanical control measures, a rat is caught in each trap on the first
night. What does this indicate?
a. An insufficient number of traps were used.
b. The rodent infestation is extremely heavy.
c. All the traps are in ideal locations.
d. The correct bait is being used.
If there is evidence of a rat infestation at a sanitary landfill, the compacted earth
cover should be _______ inches thick at the end of each operating day.
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