After what day of incubation do the three layers of membranes develop, forming the allantois, chorion, and amnion?
A. Tenth
B. Fifth
C. Third
D. Ninth
Answer: C
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Explain three common uses of dimensions and tolerances.
What will be an ideal response?
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How much water can calcium silicate potentially absorb?
a. Its own weight b. Twice its own weight c. Four times its own weight d. All the moisture available to it
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Determine v? and v? in the circuit of Fig. 3.101.
 FIGURE 1.png)
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What opens and closes the valves in a reciprocating compressor?
A) Hydraulic valve lifters B) Pressure difference across the valves C) The piston pushes them open. D) A cam shaft
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