___________ immunity can be induced by injecting antigens that cause phagocytes to react without causing serious illness
a. Artificial active
b. Naturally acquired active
c. Passive
d. No answers
A
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Blemishes or other surface imperfections due to faulty formwork will show up as the _____.
a. concrete cures b. surface is exposed to weather c. light conditions vary d. structure settles
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Torque is defined as force times ____________________.
Fill in the blank(s) with the appropriate word(s).
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Why can the relative humidity outdoors in cold winter areas be 60 percent to 70 percent and indoors be only 20 percent?
What will be an ideal response?
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