Have humans have been using irrigation systems for at least 8,000 years?
Indicate by YES (Y) or NO (N).
N
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The nucleus of a cell is composed primarily of all the following except:
a. Proteins c. Nucleic acids b. Lipases d. Enzymes
Technician A says that when one cylinder is bored oversized, the others in the block must be bored to match. Technician B says that if only one cylinder is damaged, sleeving may be a more cost effective repair. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
When should the building be used to anchor the butt during a ladder raise?
a. when a single firefighter raises an extension ladder b. for any single-fire-fighter ladder raise c. when sending a roof ladder aloft d. when laddering a building without eaves
Outdoor recreation specialists must have at least a bachelor's degree
a. True b. False Indicate whether the statement is true or false