Workers in what occupation perform professional duties to maintain parks in good condition? They work to see that their
areas are free from fire hazards and visitor vandalism.
What will be an ideal response?
Park rangers
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Discuss the pros and cons of controlling insects through biological controls versus
insecticides. What factors should you consider when choosing one method over the other?
What will be an ideal response?
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What do you need to be careful of when heating zinc?
What will be an ideal response?
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The most economical method of placing concrete is to _________.
A. use hand-operated buggies B. use conveyors C. discharge it into position directly from the truck D. use a crane and bucket setup
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When Columbus made landfall in a cluster of islands on October 12, 1492, he thought he had reached
a. Japan. b. the Bahamas. c. India. d. the Azores.
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