How have the migration routes of waterfowl been tracked?
a. Feathers left behind
b. Bird watching
c. Bird bands
d. Traps
a
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The grass species least likely to have nematode problems is:
A) bahiagrass B) bermudagrass C) ?centipedegrass D) St. Augustinegrass
When General Motors Corporation constructed a new high tech facility in Kansas City to
replace its old assembly plant, many of the older workers took early retirement rather than move over to the new plant. The most probable reason for such employee resistance to change is
a. uncertainty. b. threatened self-interests. c. different perceptions. d. feelings of loss. e. facilitation.
What visual clues on a system can indicate the presence of a refrigerant leak?
A) A greenish stain around the area of the leak B) A visible cloud of refrigerant in the area of the leak C) Refrigerant bubbles forming around the leak D) Oil stains around the area of the leak
Electric tools must be plugged into a _______________.
A. GFCI protected receptacle B. AFCI protected receptacle C. immersion detection D. a and b