Plants that are at the limits of their hardiness can be killed by extended periods of severely cold weather. How should those species be regarded when the plant selections for a proposed landscape are being made?
a. marginally hardy c. extremely hardy
b. marginally weak d. moderately weak
A
marginally hardy
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Accelerated lambing is a system that produces _____ lamb crops in 2 years
a. one c. three b. two d. four
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____ welding is extremely fast and economical because it can produce long welds rapidly that require very little postweld cleanup.?
A. ?Oxyacetylene B. ?SMAW C. ?GMAW D. ?GTAW
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Do fruits usually come from short-lived, woody plants?
Indicate by YES (Y) or NO (N).
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Which of the following lighting types consists of a special type of semiconductor that emits light when current is applied via energy released as photons when electrons cross the boundary from between the n-type and p-type materials?
A. Xenon B. Fluorescent C. LED D. Laser
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