The humidity necessary for amphibians is _____
a. no less than 95 percent
b. never greater than 80 percent
c. usually 75 to 90 percent
d. between 45 and 70 percent
C
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What component of a vessel is used to alter the flow of a vessel’s contents, facilitate mixing, or cause turbulent flow?
A. Baffle B. Agitator C. Sump D. Mist eliminator
The tendons used for prestressing a PT concrete slab-on-ground generally consist of
A) two-strand tendons, each strand made of seven wires. B) a single 1/2-in.-diameter, seven-wire strand. C) a single 1/2-in.-diameter, nine-wire strand. D) three -strand tendons, each strand made of seven wires. E) none of the above.
Rice is a primary grain crop for over 50 percent of the world's population
Indicate whether the statement is true or false
Which of the following would represent atmospheric pressure at sea level?
A. 14.7 psi B. 29.8 inches Hg C. 101.3 kPa D. all of the above