The heart of lizards has three chambers, two ventricles, and one atria
A. True
B. False
B
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Where is tempered glass (TG) mainly used?
What will be an ideal response?
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The evaporator of a window air conditioner should operate ____.
A. far below freezing temperature B. far above freezing temperature C. just above freezing temperature D. at 15°F
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Dampers (damper springs) are used inside some valve springs to ________
A) Decrease valve spring pressure B) Retain valve stem seals C) Prevent valve spring surge D) Keep the valve spring attached to the valve
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Neolithic farmers in the Near East devoted themselves chiefly to the cultivation of what kind of crops?
a. vegetables b. fruits c. grains d. sheep and goats
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