Cycles per second are expressed in ________
A) Slope B) Duty cycle C) Pulse width D) Hertz
D
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Three conditions must be fulfilled before a seed will germinate. First, the seed must be ________; then it must be subjected to the proper ________ and ________ conditions must be satisfied.
Fill in the blank(s) with the appropriate word(s).
In terms of counting days, which type of measure presents the greatest potential for conflict, working days or calendar days?
What will be an ideal response?
What two pressures are created by air moving through the duct system?
What will be an ideal response?
If a hard hat is required during overhead cutting or welding, it should allow the attachment of _____
a. a rear deflector and a face shield b. a front deflector and ear muffs c. cotton or leather spats d. an oxygen tank for breathing