The gestation period for sows is:
A. 21 days
B. 90 days
C. 113 days
D. 6 months
Answer: C
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Mechanical refrigeration that allowed food to be kept cool for an extended period of time was developed in the:
a. Late 1700s c. Late 1900s b. Early 1800s d. Late 1800s
What is step 1 of sketching an irregular shape, as shown in the accompanying figure?
A. Draw the arcs. B. Lay out the basic rectangles. C. Draw the center line. D. Draw the squares.
When using an engine stand ________
A) Cover the engine with plastic when not in use to serve as a shield from moisture and dirt B) Use standard non graded hardware bolts C) Both A and B D) Neither A nor B
A device in which the shape of an elastic element is changed by a varying pressure is called a __________.
A. variable reluctance transducer B. LVDT C. strain gauge