Floating fish pellets are often preferred over sinking-type pellets because they:
A. stay intact longer.
B. enable easier monitoring of fish eating activity.
C. are cheaper per pound of feed.
D. both A and B above.
D
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Which type of muscle is found around the intestines?
a. striated muscle c. cardiac muscle b. smooth muscle d. skeletal muscle
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_______________ and ____________ pipes should be pitched toward the tank opening to prevent the formation of oil traps.
Fill in the blank(s) with the appropriate word(s).
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What is seen on the output of an octal buffer when it is disabled?
A) Each output line is high. B) Each output line is grounded. C) Each output line is low. D) Each output line will float.
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A bolt with an oval, unslotted head is called a _____
a. stove bolt b. machine bolt c. lag bolt d. carriage bolt
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